The Gunnison sage-grouse courts females by inflating its chest and making a popping sound -- but experts say this unusual U.S. bird is at the brink of extinction. ->
A staggering 62 percent of all forest elephants have been killed for their ivory over the past decade. ->
A South African man was charged and sentenced this week for "fishing for, collecting, attempting to kill, disturbing, harassing" a great white shark. ->
The beagle-Labrador retriever mix is one of the first pups in the world to be born from a frozen embryo. ->
A 60-something albatross named Wisdom is the oldest wild bird in the history of North American bird banding and now also a tsunami survivor.
Big parks may look good on a map, but they often do little to preserve nature's rich diversity of trees, birds, mammals, and other creatures.
Dusky sharks return to breeding grounds - a trait that may put them in further jeopardy to finning and overfishing.
Only about 110 birds of a newly described Australian species survive in the wild.
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