Every year, billions of birds undertake intrepid journeys between temperate regions in North America and their tropical wintering grounds in South America. "Birds are great indicator species of ...

You might think that the neotropics are one big mating party, but even in places that stay green and vibrant year-round, ...

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 ...

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 ...

In 2014, Felicity Newell joined the Florida Museum of Natural History as a doctoral student, then promptly left the country in search of a tropical spring. It's a concept she started thinking about ...

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 ...

In a climate-controlled chamber in South Africa, a trumpeter hornbill pants rapidly, its throat pouch fluttering as ...

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 ...