This tropical bat likely evolved from ancestors that marooned on a Caribbean island.
Satellite images reveal the extent of illegal logging near the home of Paraguayan Aboriginals is caught on camera by satellite.
This disease has killed more than a million hibernating bats in eastern North America alone since 2006.
Bowerbirds that undergo a stressful event learn more from that experience than from their day-to-day studies.
A national census of birds shows where protection is critical for populations dependent on public lands.
A New York City hawk, Violet, needs medical attention, but a surprise hatching over Mother's Day weekend may complicate matters.
A non-native species of tortoise is proving a good substitute for extinct native seed dispersers in Mauritius.
Dusky sharks return to breeding grounds - a trait that may put them in further jeopardy to finning and overfishing.
Rhino populations are on the rise in Nepal.
These species are some of the most biologically surprising, unique or threatened recent discoveries.