Competition with other species, not climate, drives the distribution of bird biodiversity in tropical mountains, one of Earth’s hottest biodiversity hotspots, according to a new study of 31 mountain ...

Migrating birds shown with spectrograms of the calls they use in flight, which researchers captured via acoustic monitoring complemented their radar data on migration patterns. Every year, billions of ...

To know what a tropical bird is, you first have to know where the tropics are. The tropics form a band around the equator, bordered by the Tropic of Cancer in the north and the Tropic of Capricorn in ...

We expect tropical animals to handle a certain degree of heat, but not wild swings in temperature. That seems to be true for tropical ectotherms, or 'cold-blooded' animals such as amphibians, reptiles ...