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Camera Traps….a vital tool used in the research carried out by the Najas Project.
To study snake behaviour within their chosen habitats our field researchers place devices in situ and analyse images to collect data. Camera traps are set up on timelapse mode. Unfortunately ‘PIR ‘(movement detection) is not effective for documenting cold blooded animals, however, timelapse allows us get an insight into the lives of these secretive animals.
Attached is a female Naja kaouthia who on this occasion inhabited a termite mound.
Our camera traps last for approximately three days post-placement, therefore, unsurprisingly we also capture images of the vast amount fauna within Sakaerat Biosphere Reserve.
Every Saturday – ‘Spotted Saturday’s’ – we will present these interesting and sometimes amusing images.
On 25th April 2016 Tyler organized surve for group of students that visited Sakaerat Environmental Research Station . They were lucky to find Naja kaouthia! Male was 942 g and 1.5 m. Snake was implanted and now is part of our project. Photo credit to R. Maki and M. Hogan.
On 29th May 2016 Monocled Cobra Naja kaouthia Nakao14 was noticed by Tyler who went jogging to the forest. Snake was crossing main road. Tyler, as he did not carry any handling tools, followed snake to very old termite mound. Once snake sheltered he blocked entrance with the stone and run like Forest Gump for back up. We dig the snake out and now Naka014 is part of our radio telemetry project. This snake is only female of Monocled Cobra that we currently radio track and second in history of our project. She is 1.56 m long and 870 g body weight. Unfortunately snake wasn’t a good model and she book it straight after release.
On Sunday 12th of June, Tyler with bird team noticed another Monocled Cobra crossing main road in the reserve. Snake retreated to the animal burrow. Lucky for us it was shallow and easy to access. After 15 minutes of chasing snake in different openings we pull him out. Naka015 is adult male 1.55 m and 1041 g. Snake was implanted with radio transmitter and release at capture site. This snake was captured within home range of Naka012, our longest radio tracked snake. Unfortunate this individual wasn’t happy to be a model and moved straight to the dense vegetation on release. This is only image I menage to take.
Our most recent N. kaouthia was noticed in the Dry Evergreen Forest forest by the bird team on 24th June 2016. Snake was crossing main road in the forest. Once encounter snake move off the road and hide in tree roots. On our arrival, after snake was left alone for about 15 minutes, we noticed that snake was sitting stil just next to the road. One of the easiest capture I remember. Naka016 is 1.65 m male. He weight just over a kilogram.
He has very distinguish hood mark, where mark is incomplete on top.
Yesterday I was catching up on some camera traps data. I found folder with pictures from mid December. This is really interesting timelapse of snake basking in front of his shelter. Enjoy.
Bart’s been quite concerned for a while about the number of snakes we are tracking on the project, obviously the more snakes tracked the more data we have to play with. We’ve been stuck at 3 for quite a while now….but all that changed yesterday morning!
The day started as just another day! If ever there is such a thing on the Sakaerat Conservation and Snake Education Team. It looked as though it was to be a busy one. First we had to check our plots in which we hope to catch more Naja’s for our common cobra project. Then we had to check both Nasi003 and Nasi009 in the outlying villages, before back to the station and off into the dry evergreen forest to track Naka012. All before lunch, as the afternoon would be taken up by completing the construction of a third plot that we are building in a streambed near to the station.
The morning was going well the two Nasi’s were behaving, no big moves to take up our time with long tracks. A small repair job on one of the snake traps a mammal had chewed its way through the previous day, we were on schedule.
Heading back, just 200m from the station I noticed a strange looking stick by the side of the road. As we approached I noticed the stick was also hissing and hooding at some unseen offending incident or individual further along the road ahead of us. Naja kaouthia! Curtis slammed on the bike brakes as he and I exploded off the bike, frantically trying to call Bart and assemble tracking equipment to verify it was a new snake. Sure enough we got no signal from the kaouthia. Now past the snake and in its eye line the snake’s attention was well and truly on us. For three or four minutes it hooded at us before becoming bored watching the two over excited buffoons fumble about with equipment, and started to move slowly into the forest. Curtis took off in hot pursuit following the snake into the forest which eventually hid under a pile of cut vegetation by the side of the road.
At that moment, Bart (who had been woken from a deep slumber by our call) came sprinting round the corner, shirt unbuttoned, snake tongs in hand like a herpetological superhero! We got the snake surrounded and Bart moved in for the capture. The snake hooded and hissed and struck out at the snake tongs but was eventually subdued without incident.
The rest of the day consisted of snake processing and surgery. Turns out that this isn’t this snakes 1st run in with the snake team. Our kaouthia is non other than NAKA003, a snake which was caught FOUR TIMES in 2013. The transmitter was implanted, and the snake was recovered and ready for release within a few hours. At 5 pm the snake was released about 20m from its capture site a little further into the forest away from the road. As he was emptied out the box it seems he had a score to settle with his captor and took a disliking to Bart. For the next 30 minutes he hooded and hissed at him (ignoring the other team members). Eventually however with a little encouragement he slinked off back into the forest.
So after a hectic day we officially got our 4th snake! Looking at his previous capture data it seems he has a healthy sized home range, though most of his captures have been around the station. However, he hasn’t been captured for almost two years to the day. It does make you wonder where he has been, how he has avoided detection for so long, and what has led to him being so exposed and captured now? We will keep you posted!
Snake is male 1540 mm long and 732 g heavy.
Here are some pictures from release.
Sami and Curtis
Interesting time laps showing snake and its closest surrounding for 29h. You can see jawing/jew setup, millipedes passing by and finally snake leaving the hole.
Monocled Cobra Naja kaouthia. Naka012 is a male, 1.7 m long and 970 g. This snake is tracked from 03.05.2015.