A porcupine fossil recovered in Florida was the key clue in solving a paleontological mystery.

Neotropical songbirds, such as warblers, thrushes, tanagers and orioles, are driven to migrate by an innate biological urge called “migratory restlessness” or Zugunruhe. Why they migrate to ...

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.

With 84 species currently described, Characidium may be the most diverse fish genus known to science. This is the conclusion ...

Understanding the factors that influence how species select their habitats is crucial to inform conservation strategies, ...

College students learn about birds in the Smokies and Ecuador in a Comparative Temperate–Tropical Ecology and Biogeography ...

A nearly complete fossil of an extinct North American porcupine has helped researchers resolve a long-standing debate about ...

Hoping to better understand these lizards, researchers took a closer look at specimens in the Museo de Zoología in Quito, Ecuador — and discovered a new species. Mabuya yasuniensis, or the Yasuní ...

Northern Illinois will be at its peak around the middle of October, with the northeast corner of the state seeing its peak pass first. This breathtaking scene from the Anderson Japanese Gardens in ...

Paternal care in amphibians is extremely rare. One exception is found in a family of neotropical frogs. The male Panamanian poison-arrow frog is responsible for sitting on the eggs and keeping ...

A beautiful new species of clearwing moth that is native to Guyana has been described after it was discovered 7,000 ...

A new USDA Forest Service study uses several field and telemetric methods to measure the non-breeding home range and core ...