This article addresses central themes in the study of tropical biodiversity, exploring the roles that speciation, extinction, and dispersal play in the formation of regional assemblages.

In a river of eastern Brazil, an “armored” creature swam along searching for the next meal to sink its “copper colored” teeth ...

"Some species of Characidium are almost identical ... Underestimated diversity in Characidium (Characiformes: Crenuchidae) ...

When Dania Sanchez first got word of a rare neotropical bird visitor at a beach in Seabrook, Texas over the summer, she attempted to catch a glimpse of it herself. After unsuccessfully searching for ...

Passing scientists looked at their blotchy catch — and discovered a new species. Researchers visited several rivers in Minas ...