The common raven is one of the brainiest birds you'll encounter in the national parks, but the same keen intellect that makes this species interesting and amusing also makes it troublesome.
There are crocodiles, including some genuinely huge ones, living in South Florida. Not everyone is happy about it, but these fascinating creatures have made a dramatic comeback from near extinction.
You’d think that a mucus-covered, shell-less, forest-dwelling gastropod whose diet includes animal droppings couldn’t get much love, but the lowly banana slug has acquired a huge fan following. Among other things, it is the star of a community festival, official state mollusk of California, and one of America’s most beloved sports mascots.
How hoary bats ever managed to cross thousands of miles of open sea to colonize the Hawaiian Islands is a mystery we may never solve. Scientists do think we’ll figure out how to make their place in the islands secure for the foreseeable future.
Logging in the old-growth forests of the North Pacific Coast is being blamed for the sharp decline of the marbled murrelet population. More logging restrictions are needed to save the little seabird, and that is causing quite a stir.
Thanks to translocations that began 80 years ago, herds of prehistoric-looking muskoxen once again roam Alaska’s tundra. Could these shaggy Ice Age survivors be emergent stars of the watchable wildlife world?
Great gray owls are not only an endangered species, they're also the largest North American owl. Yosemite National Park is home to about 75% of California's population of these impressive birds, and new research suggests they're even more unique that previously believed.
It is at the same time both one of the most striking fish you'll encounter as well as one of the most dangerous to appear in the waters of Biscayne National Park.