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Without a doubt, our best trail camera capture yet: the first documented observation of a cougar with kittens in Minnesota in modern history. Turn up the volume to hear all the vocalizations. The footage, which was captured on March 25, shows a cougar with 3 large kittens while they...

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We set this camera in a new spot last fall where a deer trail crossed a remote hiking trail. This video is a distillation of 7 months of footage totaling >2 hours. Suffice it to say, we were pleased with this spot and we hope you enjoy the footage! The camera was put up in late October. Most of the first videos captured were during the rut when several bucks were traveling on the deer trail. One buck, in particular, was a bruiser in terms of body size. And then as the rut winded down, the number of bucks on camera dwindled and does started using the trail more frequently for the rest of the fall and winter. Of course, wolves traveled on both the hiking and deer trail throughout the fall and winter. In some instances, wolves traveled down the hiking trail and then stopped to smell deer tracks on the deer trail. We suspect they were assessing how fresh the tracks were and therefore how close a deer might be. In some instances, wolves veered off the hiking trail and ventured down the deer trail, and in others, they continued down the hiking trail. Notably, we put this camera here because this is where the Cranberry Bay and Nashata Packs overlap. You can see both packs on cameras. Cranberry is the larger pack and Nashata is the smaller pack with a whitish wolf with green-ear tags. As mentioned above, we distilled >2 hr of footage into a 6 minute video. We did not include much of the nighttime footage, which was mainly of a snowshoe hare that spent a ton of time in front of the camera and deer traveling at night down the deer trail. We included most wolf footage in the video but there were a few nighttime sequences we excluded because they weren’t great quality. Interestingly, though, we did not get a ton of other wildlife on this camera other than wolves and deer.

Voyageurs Wolf Project

19,973 görüntüleme • 1 yıl önce

On New Year’s Day, we captured this footage of the Blackstone Pack, a large, predominantly Canadian Pack, trespassing deep into the Listening Point Pack territory on the Kabetogama Peninsula. The Blackstone Pack was a large pack at the start of early winter as we had several observations of 9 wolves together. By mid-to-late winter, though, the pack seemed to have dwindled to 5-7 members. However, we do not have great data on the changes to this pack's size because the pack’s territory is predominantly in Canada. We suspect their territory is on the north shore of Namakan Lake, directly to the east of the Kabetogama Peninsula in Voyageurs National Park. The territory likely includes Blackstone Island in Namakan Lake, hence the name “Blackstone Pack”. That said, we think their territory likely includes the northeastern tip of the Kabetogama Peninsula; specifically, the area in and around Kettle Falls, meaning the pack does occupy a small sliver of our study area. The reason we have any data on this pack is because they made periodic excursions into our study area this past fall and winter, and were captured on several cameras. In total, we documented 7 such excursions with some of these excursions lasting several days. And of course, they could have made other excursions not captured on camera. On one excursion, the Blackstone Pack crossed through 3 pack territories—Listening Point, Mithrandir, and Cranberry Bay—before returning to their territory. Of course, all of this highlights why having many trail cameras is extremely helpful for understanding these dynamics. Without a lot of cameras and a lot of footage of the various packs in our area, we would have struggled to piece this all together. I.e., we wouldn’t know who the “resident” wolves in an area are, and who the “intruding” wolves are. But with enough observations from trail cameras, we can tell, based on physical appearances, which wolves belong to which packs, and that helps us make sense of the data we collect.

Voyageurs Wolf Project

12,393 görüntüleme • 10 ay önce

The absolute trail camera jackpot—we just captured the second known video ever, as far we are aware, of a wolf attacking and killing a beaver. And this was a pretty sizable beaver too! How amazing is that!? Earlier this year, we posted rare footage we captured of a wolf in our area almost catching a beaver on a dam. That was really neat to see but in that video, the wolf never made contact with the beaver and the beaver narrowly escaped. This beaver wasn’t so lucky. In this video from Sept 17, the beaver left the water at 1:09 A.M. to go forage on a 49 m/160 ft long trail—a pretty long trail for a beaver. Just four minutes later, the beaver was attacked by Wolf V094, the breeding male of the Half-Moon Pack. A brief chaotic struggle ensued and then all went quiet as the wolf and beaver moved out of frame. About 19 hr later, we captured a video of a different wolf walking in front of the camera with a beaver head in its mouth. A few days later, we hiked out and found the bloody remains of this kill not far from our camera. The beaver put up a valiant fight and at a few points was only a few meters from the safety of water. If the beaver could have just freed itself for a few moments, it might have lived. But it couldn’t…there appears to be a thin margin for beavers between life and death when on land! The only other video observation we know of was recorded in Quebec in Fall 2015. Given how rare that was, we worked with the person who recorded the video and wrote a scientific paper on the observation trying to glean as much insight as we could from it. Bit of backstory on the video: The footage was captured by Dani Freund, a graduate student at the University of Minnesota, and two field technicians—Sage Patchett and Olivia Jensen—that are assisting Dani with her work. Dani’s graduate work is looking at how wolf predation and other factors influence beavers stress levels. In other words, do beavers in ponds with higher wolf activity levels have higher stress levels than beavers in ponds that have lower wolf activity levels? Or are beaver stress levels driven largely by other factors such as food availability or competition from neighboring beavers? The way Dani is examining beaver stress is by collecting beaver hair samples and measuring stress levels in the hair. And her hair collection method entails using a strand of barbed wire that the beavers crawl over to get on land (you can see this in the video). When the beavers crawl over the wire, tufts of hair get caught on the wire and then those hair samples can be collected and analyzed. This is a common method used to get hair samples —biologists often refer to barbed wire and other similar contraptions devised to collect hair from wildlife as “hair snares”. All this to say, this camera, which was kindly lent to us from the Offal Wildlife Watching Project at the University of Minnesota, was not set here in the hopes of capturing a wolf killing a beaver but rather to monitor beavers crawling over the hair snare. But sometimes it is better to be lucky than good! And we certainly think we had a stroke of luck. We have had a lot of cameras out over the past 9 years in the area and we have never captured anything like this!

Voyageurs Wolf Project

71,932 görüntüleme • 2 yıl önce