While the composition, depth, and tones of this video are intriguing, so to are the wildlife that are crossing the river which can be seen better in the latter half of the video with a slow zoom. What do you think it is that's swimming the river? | Yukon Wildlife Cams

WIld horses bookend this medley of activity from May, while snow-capped mountains rise above a river valley in the Yukon wilds. #yukonwildlife | Yukon Wildlife Cams