Wolves face severe threats nationwide. States like Idaho, Montana, and Wisconsin have authorized or seen the killing of a large percentage of their wolf populations, including over 200 wolves in

Wolves face severe threats nationwide. States like Idaho, Montana, and Wisconsin have authorized or seen the killing of a large percentage of their wolf populations, including over 200 wolves in Wisconsin in just 60 hours.

We must end these senseless killings. Join Jason Momoa, Leonardo DiCaprio, and thousands more in the #RelistWolves effort. Raise your voice by sharing this video and visiting RelistWolves.org or SaveOurWolves.org.

Film by Sender Films.

Gray foxes (Urocyon cinereoargenteus) in Arizona's borderlands are remarkable tree-climbing canids. They possess several unique adaptations for an arboreal lifestyle, unlike most other

Gray foxes (Urocyon cinereoargenteus) in Arizona's borderlands are remarkable tree-climbing canids. They possess several unique adaptations for an arboreal lifestyle, unlike most other canids.

These adaptations include flexible, primate-like wrists and cat-like paws with long, curved claws. Such features equip them to hunt and play effectively within the forest canopy.

Witness the remarkable creativity of dolphins hunting in Western Australia's shallows. BBC Earth brings you 50 years of entertaining and thought-provoking natural history content, showcasing the

Witness the remarkable creativity of dolphins hunting in Western Australia's shallows. BBC Earth brings you 50 years of entertaining and thought-provoking natural history content, showcasing the world's beauty, stories, and natural wonders. Discover dramatic, rare, and exclusive insights into nature.

[Subscribe to BBC Earth](http://bit.ly/BBCEarthSub) for captivating natural history content, including series like *Planet Earth III* and *Blue Planet II*. Stay updated by signing up for our [newsletter](https://www.bbcearth.com/newsletter). Explore more videos and provide service feedback [here](http://bbcworldwide.com/vod-feedback--contact-details.aspx).