Special Species

This tragic disaster, which injured the entire ecosystem of the northern Gulf of Mexico, may have happened more than a decade ago - and by now, largely forgotten - but it continues to plague certain species. Find out what's happening 10 years after the Deepwater Horizon Rig explosion.

Wildlife biologist Mike Cove had his heart set on studying big cats in exotic locations, but instead, he and his team ended up championing a precious creature that engineers an entire ecosystem, complete with separate rooms. And not a day too soon, as these animals are rare and endangered.

Nix, an adorable miniature donkey, began having collapsing episodes at only a few months of age. Faced with the prospect of euthanasia simply because the parts of her heart weren't communicating with each other, her owners made a bold decision that'd allow her to live out her life to its fullest.