Camera traps have been a key part of the conservation toolkit for decades. Remotely triggered video or still cameras allow researchers and managers to monitor cryptic species, survey populations, and support enforcement responses by documenting illegal activities. Increasingly, machine learning is being implemented to automate the processing of data generated by camera traps.
A recent study published showed that, despite being well-established and widely used tools in conservation, progress in the development of camera traps has plateaued since the emergence of the modern model in the mid-2000s, leaving users struggling with many of the same issues they faced a decade ago. That manufacturer ratings have not improved over time, despite technological advancements, demonstrates the need for a new generation of innovative conservation camera traps. Join this group and explore existing efforts, established needs, and what next-generation camera traps might look like - including the integration of AI for data processing through initiatives like Wildlife Insights and Wild Me.
Group Highlights:
Our past Tech Tutors seasons featured multiple episodes for experienced and new camera trappers. How Do I Repair My Camera Traps? featured WILDLABS members Laure Joanny, Alistair Stewart, and Rob Appleby and featured many troubleshooting and DIY resources for common issues.
For camera trap users looking to incorporate machine learning into the data analysis process, Sara Beery's How do I get started using machine learning for my camera traps? is an incredible resource discussing the user-friendly tool MegaDetector.
And for those who are new to camera trapping, Marcella Kelly's How do I choose the right camera trap(s) based on interests, goals, and species? will help you make important decisions based on factors like species, environment, power, durability, and more.
Finally, for an in-depth conversation on camera trap hardware and software, check out the Camera Traps Virtual Meetup featuring Sara Beery, Roland Kays, and Sam Seccombe.
And while you're here, be sure to stop by the camera trap community's collaborative troubleshooting data bank, where we're compiling common problems with the goal of creating a consistent place to exchange tips and tricks!
Header photo: ACEAA-Conservacion Amazonica
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Southern African Wildlife College
I am ecologist working in African conservation areas who loves wildlife & wild landscapes. I increasingly recognize that conservation is about people, especially those living in & around protected areas. Finding ways to benefit marginalized people is my passion.
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Environmentalist and Python developer working in the realm of Remote Sensing. Fascinated by the intersection of technology and nature, with a focus on machine learning, ecological modeling, and biodiversity monitoring. 🌍
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€4,000 travel grants are available for researchers interested in insect monitoring using automated cameras and computer vision
6 June 2024
Wildlife Insights is a global platform dedicated to improving wildlife conservation by streamlining processing, management and analysis of data coming from camera traps through advanced technology and innovative data...
5 June 2024
WildLabs will soon launch a 'Funding and Finance' group. What would be your wish list for such a group? Would you be interested in co-managing or otherwise helping out?
5 June 2024
Do you have photos and videos of your conservation tech work? We want to include them in a conservation technology showcase video
17 May 2024
€2,000 travel grants are available for researchers interested in insect monitoring using automated cameras and computer vision
3 May 2024
Article
Read in detail about how to use The Inventory, our new living directory of conservation technology tools, organisations, and R&D projects.
1 May 2024
Article
The Inventory is your one-stop shop for conservation technology tools, organisations, and R&D projects. Start contributing to it now!
1 May 2024
Technology to End the Sixth Mass Extinction. Salary: $132 - $160k; Location: Seattle WA; 7+ years of experience in hardware product development and manufacturing; View post for full job description
1 May 2024
The incumbent will develop models and metrics that can be used to shape conservation policy using multiple data sources including camera traps, movement data and citizen science concerning the diversity and...
23 April 2024
Careers
The Smithsonian National Zoo & Conservation Biology Institute is seeking a Program Manager to help coordinate multiple organizations in an effort to integrate movement data & camera trap data with global...
22 April 2024
The Smithsonian National Zoo & Conservation Biology Institute is seeking a Postdoctoral Research Fellow to help us integrate movement data & camera trap data with global conservation policy.
22 April 2024
Watch our interview with pioneering young Tanzanian vulture researcher Vainess Laizer! Her research investigating the breeding success of white-backed vultures in the western corridor of the Serengeti ecosystem using...
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Description | Activity | Replies | Groups | Updated |
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I have a raspberry pi3 setup now as a video streaming server so I can keep a eye on my home while I am at work |
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Camera Traps | 3 years 3 months ago | |
Thanks Ryan would like to hear more about this, the project look awesome what distance are you getting from your wifi router |
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Camera Traps | 3 years 4 months ago | |
Hi. Just watched the Youtube version (I'm in the unable to watch live hemisphere) and wanted to say that was a great talk. I wish it could have gone for another hour. I liked... |
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AI for Conservation, Camera Traps | 3 years 4 months ago | |
Hi Wildlabbers, After a holiday break, Tech Tutors Season 2 continues with our forth episode, featuring Doug Clark, Joseph... |
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Camera Traps, Ethics of Conservation Tech, Community Base | 3 years 5 months ago | |
Hi all, Just saw this on Twitter - a database of all kinds of camera trap user manuals across brands and models. Thought it might be a helpful resource if you're... |
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Camera Traps | 3 years 7 months ago | |
I also just found this similar summary of equipment on youtube - https://youtu.be/pNBkfE8UPDI. The breadboard and components are a good addition for building and testing... |
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Camera Traps | 3 years 7 months ago | |
Hi Wildlabbers, Just popping in to share this very cool primer for beginners to embedded machine learning from our tutor Daniel Situnayake! If you're interested in... |
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AI for Conservation, Camera Traps | 3 years 7 months ago | |
Hi everyone, Alongside the earlier request for tracking datasets (here), there is now a similar initiative looking at the impacts... |
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Camera Traps | 3 years 8 months ago | |
Just in case anyone out there who's wondering the same as I did. I finally have this specific model in hand, and no it doesn't record in hybrid mode. |
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Camera Traps | 3 years 8 months ago | |
Thanks Carly! I was thinking similar things, you can identify shape a lot better when you see an object with depth rather than without. The two cameras can be configured... |
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Camera Traps | 3 years 9 months ago | |
Fig 2 here; https://onlinelibrary.wiley.com/doi/full/10.1111/aje.12573 might help for the Bushnell. I haven't tested Stealthcams. There is more here; https... |
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Camera Traps | 3 years 10 months ago | |
Great talk! I thoroughly enjoyed it. Some high schoolers have done small AI projects(s) and have interest in the wildlife. What resources would you all suggest to further... |
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AI for Conservation, Camera Traps | 3 years 11 months ago |
Advice needed: Beginner's Conservation Tech Starter Kit
22 September 2021 6:06pm
5 October 2021 11:56pm
Hey Harold, that'd be amazing! I'll get in touch for more info, thank you!
8 October 2021 1:02am
Hey Ellie--
Glad to see you getting started with this.
I'll speak to the data-storage question, it might be worth it for you to do something like paying for extra google drive space rather than go through the external hard drive process. That way you're ensuring you don't have to worry about losing your drive or just leaving it at home. It's $30 US for 200GB of space for a year, which is quite reasonable, especially for a single recorder / camera trap.
I'd also make sure you have an SD card reader, and maybe a sealed card holder/wallet to keep data safe while it transitions from the field. How much to budget for batteries will depend on exactly what sensors you end up purchasing but in my experience, ordering high-end alkaline batteries is the best bet (for example, in the Duracell line, their Procell D batteries really do perform better than the normal consumer level coppertop batteries). I'd recommend playing around with the scheduler software for whatever acoustic sensor you end up obtaining to figure out whether you'll be limited by power or storage depending on how you set things up.
Old camera traps go cellular
6 February 2020 12:00pm
27 August 2021 4:30pm
Oh very cool Robin. Do you mind if I ask how much it is for the unit?
27 August 2021 5:43pm
Hi Rob,
prices drop but I payed 88€ for mine.
7 September 2021 5:18pm
Thank Capreolus,
for your feedback, did you try it where the cellular network is weak?
Thank you.
How do I use animal-borne imaging technology in marine and terrestrial environments?
16 August 2021 12:00am
Workshop in analysis of camera trap data using distance sampling
7 August 2021 1:15pm
Tech Tutors: How do I use tech ethically?
5 August 2021 3:28pm
App Development Environment for Commercial Trail Cameras
1 July 2021 6:17pm
4 July 2021 12:27am
much appreesh @StephODonnell
21 July 2021 12:40am
I've put together a short slide deck outlining the concept and status (see attached PowerPoint). Critcally, I'm looking for a 1 to 3 "inaugural open source developers" to help launch the effort. Ideally, these developers would be associated with a project in need of enhanced firmware. I've already spoken with @Alasdair about this, and it looks like there could be an opportunity based on one of his projects. Please repond on this thread (or message me directly) if you know of anyone who might be interested or available. Skillset looks like:
•C (C++?) for Feature Development
•Python (for tool development)
•Thread-X RTOS
•Embedded System Software Design
•GitHub/Colab/Open Source Development Environments
•Ability to Operate (and to help define) a Nascent Software Development Environment
30 July 2021 2:18pm
@Freaklabs
Akiba may be interested?
How to dissociate the detector sensor from the camera in a camera trap surveyed area?
19 July 2021 8:36am
19 July 2021 7:11pm
I think it would be technically possible. Something like the camera being put to sleep, and only activated when an outer sensor is triggered. I would be more worried about getting ethical approval for such a study where the aim is to have a live domestic animal being attacked by a predator in a confined space.
20 July 2021 10:18am
Hi Egil, indeed, ehtcial approaval is of course needed and I will ask for it for sure! (But note that it is hard to explain farmers that I need ethcial approuval for that project aiming at reducing attacks, while they get attacks every other weeks despite fences, livestock guarding dogs and/or shepherds !!).
30 July 2021 12:29pm
My guess is that the camera triggering will prove to be far less of a challenge than getting ethical approval for penning livestock where predators can reach them. If you have such a high rate of wolf attacks in free-ranging flocks then you can directly measure the decrease in rate of attacks in flocks that have the repellent vs those that do not.
Tech Tutors: How do I get started with Wildlife Insights?
29 July 2021 12:04am
Wildlife Insights Launches
27 July 2021 12:00am
Time lapse camera: recommendations needed
20 May 2021 3:20pm
28 May 2021 6:40pm
Hi again,
DSLRs are not that complicated and they are also used in rainforests by photographers (for "nice" non-sccientific images). I have heard reports that termites can be rough though! I have seen people making heavy duty metal "overboxes" to protect against asian elephant "vandalism".
I have no experience myself with Reconyx ultra fire models and merely mentioned you might want to consider them as they have higher resolution and can thereby potentially record smaller details. With these small sensor cameras, as trail cameras are, the actually resolution is likely limited by the quality of the lens though!
With a DSLR you have a large sensor (= good quality pixels (less noise)), full control over the lens quality and angle of view BUT the setup will be considerably more expensive. I believe you could get comparable syncronisation of multiple cameras with either DSLRs or trailcameras.
18 June 2021 2:57pm
Hi Ivonne,
Have you considered using a GOPRO? They have some pretty natty features now and they have a good range of mounting and waterproofing gadgets. If you don’t need traditional camera trap features these work well and you can dial up the image quality to suit your needs.
Dave
22 July 2021 6:02pm
Do you need the photos during the timelapse, or just all at once at the end? If the latter, how many exposures will you need per timelapse recording? Depending on your answers, that might limit you to only options that let you retrieve images during recording - perhaps requiring wifi or celular?
Not knowing your requirements there, just some general thoughts:
GoPros
I too would think a GoPro would be an option, iff wide angle suits your purposes (though, if resolution isn't a high priority, GoPros do have exposure-time cropping options). Cheap, robust, with myriad accessories easily available. They also have wifi support - though, last I checked, you can't browse & download images while the GoPro is in recording mode (not even between exposures). Maybe newer models have removed that limitation?
There's also relatively novel options like the GoPro MAX with 360° video recording.
Trail cameras
I've used several different trail cameras that have timelapse options - they're pretty common. I haven't used Reconyx ones, though. In general I find trail cameras to be pretty useless photographically - fine, maybe, for just monitoring wildlife activity.
Mirrorless / DSLR
If you do go for a 'real' camera, go for one with (at least the option of) a pure electronic shutter. Few DSLRs have this option. Some - but not all - mirrorless do. Mechanical shutters (a) can cause motion blur and (b) tend to break after a few hundred thousand exposures. e.g. if you're doing one exposure per minute, you'd get less than a year from most consumer cameras.
The Sony a6100 (or later) cameras are good options for this - they're old and therefore can be found very cheap, but the image quality is still light-years ahead of trail cameras & GoPros.
A slightly more up-market option - probably only of any interest if night-time exposures are important - would be a Nikon Z5. Alas they're current-model so you probably won't find big discounts, but you get:
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Excellent image quality (provided 24MP is sufficient resolution for you - are you aiming for 8K timelapse?). There are higher-end options (Z6, Z7) as well as Sony a7r options if you need higher resolution or (marginally) better image quality.
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The ability to use practically any lense ever made on them (their Z mount supports adapters to practically any other mount system). In case you have particular lens requirements, or existing lenses you want to use.
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Twin UHS-II SD card slots, so you can record to two cards simultaneously if data loss (from a faulty SD card) is a concern.
Keep in mind, though, that most mirrorless/DSLRs have limitations on how many exposures they'll allow on their built-in intervalometers (e.g. 9999 for Nikons). But there's usually ways around that using $10 plug-in intervalometers, if need be (and fancier options if you want more control, such as "bulb ramping" for recording across day & night smoothly).
24-hour monitoring of birds' nests
21 May 2021 1:43pm
17 July 2021 4:32am
Hi Ben,
This is relatively straightforward. It just requires an IP network camera, a 12V PoE injector, 12V power source, high-capacity SD card and an ethernet cable to your laptop.
I designed and put this ruggedized system together in a Pelican case for outdoor use. It may interest you:
https://envirocam.com.au
Various lenses from 2.8mm (wide-angle) to 16mm (close-up) can be used for or even thermal for complete visibility in darkness. Up to four lenses can record simultaneously for multiple angles of view.
Whist used for illegal-dumping detection in bushland, it can be equally used for your scenario.
I'm happy to give you some pointers - just reach out.
Best regards,
Anthony
21 July 2021 9:50pm
I would suggest, if time is of the essence, to use an off-the-shelf "security" camera.
I had some luck using Wyze cams, they are $35 apiece and connect via wifi. You power them via USB and it should be easy to set up either a large car battery with a usb charger or even a simple solar setup with a 5V output. The new version is weatherproof, although it would probably require further waterproofing for a rainforest setup. They are fairly small (I think something like a 5x5x5cm cube) and have visual motion detection, something that would be of benefit for your as it would also pick up reptiles as they move into the frame. They a microSD slot and you can view the data remotely, the app will send you notifications every time there is a movement detected. They are not in real-time but usually with less than a minute delay and for a couple of $$ a month you get unlimited cloud storage as well.
As mentioned earlier, of might be easier to run a camera on wire and power it with PoE, the connection would be much more stable but then you need to have a physical connection and a cable running through the forest which is another challenge.
Just my $0.02, keep in mind this is not as robust of a solution as, let say, envirocam, but it will allow you to set it up really quickly, given you have internet access.
22 July 2021 4:28pm
Dear Anthony and Michal,
Many thanks for the suggestions! Anthony, I have sent you a message through the site you linked to. I'd be interested to know more about the cameras you are using.
Michal, it's good to know about Wyze - I had not come across them. We're working with the options we have available in Brazil for now, but in future we may decide to import equipment. It's a long and bureacratic process to do so, even for relatively simple items. We don't have internet access at the field site, so it will have to be either a cable or local wifi setup (camera to computer). When we have a system set up I will try to post some details here about how it works out.
Thanks!
Ben
Tech Tutors: How do I get started with Megadetector?
22 July 2021 3:34pm
How do I get started with Wildlife Insights?
19 July 2021 12:00am
Structured light/lidar /laser for measuring animals in camera traps and BRUVs.
4 July 2021 10:41am
16 July 2021 2:35pm
Could you explain a bit more, do you want a measurement of length, or whole volume?
Like @wkcmark said, there are some simple solutions for measuring length fish, using stereo arrangements for example (2 cams looking at the same spot from slightly different angles). I also found this creative solution, using a single camera in a special acrylic case, that makes use of refraction indices. This, again, is for underwater systems.
If you could project two lasers at a known angle on the body of the animal like in exploration submarines, you could calculate the distance from the camera and measure the animal, although this would be a manual process.
17 July 2021 2:45pm
The simplest version might be a laser rangefinder, a measurement of image size, and some straightforward geometry, whihc would allow reasonable calculations of linear measurements.
17 July 2021 4:48pm
I've been wondering about rangefinding/size-measuring technologies that could be incorporated into camera traps for a long time, and am following this thread and the work of @Freaklabs with great interest.
So far I see there's stereo photography, Lidar, structured light/illumination, laser rangefinding, being suggested. I'm curious if we could come up with a relatively exhaustive list of potential technologies, then possibly discuss the pros/cons of each when used in a camera trap? For example, laser rangefinding might give precise and accurate measurements but maybe because it is an active sensor it drains the battery quickly and the laser might affect animals?
If there's interest I can start a separate thread so as to not detract from this one.
Tech Tutors: How do I choose the right camera trap(s) based on interests, goals, and species?
14 July 2021 8:42pm
16 July 2021 12:07pm
Thank you Stephanie,
live streaming to a cell tower
5 July 2021 2:58pm
6 July 2021 2:53am
Hi Doug.
We often work in remote areas like rainforests, desert, Australian outback, etc so we often have to develop custom hardware. We haven't seen anything that fits our needs in a budget range that could accomodate the projects that we work on.
We've since gottenr requests to make the devices publicly available but are still working on finding time to document and set up the manufacturing for them.
However you may be interested in one of the designs we've been using in the Middle East and Australian outback. It's for 3G cellular communications and has inputs for a solar panel and rechargeable batteries. We're manly using it to connect periodically to a cell tower and upload data it collects from other wireless devces (LoRa) in the area. But you can also use it for streaming if your solar/battery capacity is large enough.
If you're interested us, please direct message us on WildLABS and we can discuss more and perhaps set you up for pre-release hardware. I've included some pics below:
Akiba
7 July 2021 11:01pm
Thanks for your quick response. I am definitely interested in your device if I understand correctly. Your device sends the camera feed to the celular network? Telus advertises 4G/5G does that also carry 3G? So I would need a camera, solar panel battery and a celular data plan?
Doug
8 July 2021 4:10am
Hi Doug.
It's actually an interesting application, however it might actually be cheaper to try and put together an off-the-shelf solution rather than go custom. There seem to be some livestreaming trailcams that might give you what you want almost out of the box. The Spartan GoLive trailcam seems like it might do this. Also other animal webcam setups seem to use a combination of WiFi security camera + a WiFi-LTE modem. This might actually be the cheaper and quicker way to go.
I do think that having a cellular streaming camera setup specifically for wildlife is a really interesting design. Trailcams are generally designed for camera trap functionality so I suspect the live functionality would be an afterthought. I'm curious if they have to deal with things like heat and recovering the stream after the communications goes down.
In our designs, we assume a very resource constrained environment, ie: no power sources, little or no connectivity, etc. So looking at a design where it's specifically expecting a power source (ie: dedicated large solar panel) and good/decent cellular connectivity with the design focus on uptime might be something interesting to pursue.
But for now, I recommend checking out the live trailcams or a wifi security cam + LTE bridge setup. And if you're interested in a dedicated solution specifically for wildlife cams, I'd love to discuss what the requirements would be. It might be super useful for wildlife orgs and parks to build awareness and improve funding,as well as benefit the research and conservation community.
Akiba
How do I get started with Megadetector?
7 July 2021 12:00am
How do I choose the right camera trap(s) based on interests, goals, and species?
6 July 2021 12:00am
WILDLABS Tech Tutors: Season 3
6 July 2021 12:00am
How (some) Trail Cameras Fail + how to fix
1 July 2021 6:31pm
3 July 2021 1:45pm
That's such a cool list. Thanks for posting it!
Akiba
Discover new services to improve camera traps' user experience!
24 June 2021 9:09am
Sourcing camera traps in Ukraine - advice needed!
15 June 2021 10:19am
17 June 2021 4:46am
Hi,
Maybe try sourcing from Aliexpress? I an't speak to the quality, but at some price point it becomes worth looking into this option.
-harold
Arboreal camera trapping
8 June 2021 10:56am
10 June 2021 10:19pm
Hi Michelle, I've worked on a few arboreal camera trap surveys so I might be able to share some information. With other researchers we've been working on a paper that reviews the current state of arboreal camera trapping, methods, recommendations, and what to expect in the upcoming years. It's still in review, but I'm sure most, if not all, of the authors will gladly help you with any questions you might have.
I've seen footage of pangolins in canopy cameras (https://twitter.com/rewild/status/1272904442061492226), try contacting @masselouxgarou and @thereal_jayhay on twitter. If you have any specific questions, let me know and perhaps I can point you on the right path!
Tech4Wildlife Leaders: Understanding Endangered Primate Populations
2 June 2021 12:00am
Recommendations needed for recycling batteries in Mexico
31 March 2021 4:12pm
10 May 2021 11:42am
21 May 2021 6:08pm
I just did a quick search and it doesn't look like there's a place where you can ship them in Mexico. However, at least in Mexico City, there are a bunch of collection sites for old electronics and batteries (see below- sorry the link it's in Spanish).
https://www.dineroenimagen.com/hacker/estos-son-los-centros-autorizados-para-tirar-tus-pilas-usadas-en-cdmx/108084
I know you have a lot of batteries, but have you consider taking some back with you? That's what I've been doing with our empty batteries, bring them back from Madagascar to Canada.
Tech4Wildlife Leaders: Resolving Human-Giraffe Conflict
21 May 2021 12:00am
Camera traps in the tropics: no detection of wildlife visits
12 April 2021 9:57am
3 May 2021 9:26am
Hi!
the distance varies depending on where it's possible to position the camera, but the mean distance is around 2.5m. Which for rats might be to distant.
Unfortunately we can't install a cctv system.
Thank you.
7 May 2021 1:33pm
Hi Patricia,
I think this is likely an issue with the PIR lens positioning. The PIR has detection zones that are designed to maximise image capture of things moving a certain distance away.
A quick fix would be to have the camera trap placed directly above the nests looking straight down. I have seen someone doing this on twitter for invasive species on islands but haven't been able to re-find the tweets.
I would use a rat substitute for testing, like a tennis ball on a stick. Warm this up in the sun and then insert into the field of view and check if the camera has captured it. You could try this in different orientations and angles to see where the detection zones might be.
Best wishes,
Sam
8 May 2021 6:19pm
Hello
I understand how frustating that can be....I would try with the camera closer. 2.5m seem too far away for rat...specially that it must have some vegetation between. Also think that the suggestion of putting the camera above the nest facing down is also a great idea...
Best of luck...
Spypoint Force Dark Camera Trap Screen Broken
21 April 2021 9:48am
21 April 2021 2:40pm
Hi.
Apparently it's a common problem with Spypoint cameras. I recommend checking out this thread and testing out the reboot procedure.
Akiba
Recommendations needed: Rechargeable batteries for camera traps
16 February 2021 4:15pm
9 April 2021 3:55pm
I have only used Tenergy NiMH rechargeables, these put out 1.2 V. We've used it on Bushnell Trophycam, which have 2x4 battery sets, i.e. you only need 4 batteries for it to have enough voltage, the additional batteries don't increase the voltage, they only prolong working time. So 4x1.2=4.8 V instead of the expected 6 V from alkaline batteries. I would think that Cuddeback has a similar circuit setup, so an external 12 V battery might actually be too much, as some have already pointed out. With regular NiMH batteries what's most important is to get batteries with high mAh. The ones sold commercially usually have very low mAh, so they won't last very long. We have 2400 mAh, I think, and it works reasonably well, they can last for about a month in the field, IR flash works.
9 April 2021 4:20pm
Hello Akiba
That sounds good!
Do you have a picture of the complete setup?
Bests
Juan
9 April 2021 6:10pm
While the manufacturer might claim that the camera requires 8xAA at 1.5v each, most likely it will work just fine with NiMH batteries that have nominal voltage of 1.2V.
I have used eneloops with Reconnyx cameras for a long time, as well as with handheld GPSes and a myriad of electronic devices and not once run into trouble because of the lower voltage. Your camera should have a setting in the menu to select NiMH batteries, that will prevent it from shutting down too soon.
I suggest you do your own testing - run 2 cameras one next to another on a 1.5V alkaline battery and a 1.2V NiMH rechargeable one until it switches off and check the voltage on the "empty" cell.
Your issue will likely not be the voltage of the cell, but the current the battery can deliver, as it has to recharge a capacitor in the incadescent flash light. I see that the manufacturer declares up to 20s recharge time for night photos, which is a lot. That is a downside of a colour camera.
I don't know what the best source is for batteries in SA, but if possible, get rechargeable batteries from IKEA (Ladda NiMH batteries). They are rebranded eneloops pro for around 30% less and I am yet to find a better battery for a camera trap. Otherwise, like mentioned before, eneloop pro will be hard to beat for performance and reliability.
New Article: Environmental DNA Metabarcoding
6 April 2021 12:00am
5 October 2021 11:52pm
Hey Rob!
Thanks for all the tips! Getting 2 SD cards was a good reminder. I'd put extra batteries on my shopping list, but forgotten an extra SD card. Do you have a recommendation for a minimum SD card size?? I don't have any understanding of how long it'll take one of any size to completely fill up.
I also think I'll try a little of both for video vs. still images, but the majority of it will probably be video to see how the squirrels are behaving/fighting.
And I'm way ahead of you with the picnic table idea. These squirrels will be treated to some very fun props and dining opportunities along the way.