Fossilized imprints and trackways record the movement and behavior of species long extinct. An amateur paleontologist discovered a fossil that has allowed others to follow the steps of a tiny 315-million year old tetrapod from the Carboniferous period. Leer más.

Species distributions are influenced by many processes operating over varying spatial scales. The development of species distribution models (SDMs), also known as ecological niche models, has afforded the opportunity to predict the distributions of diverse taxa across broad geographic areas and identify variables that are potentially important in regulating these distributions. Leer más.

The Endangered Species Act (ESA)—the key US law protecting species listed as threatened or endangered—focuses on boosting species’ numbers until they reach recovery thresholds and so can be taken off the ESA list. Almost 1400 species are now listed. Leer más.

Chytridiomycosis, a fungal skin condition, is threatening remaining populations of unique amphibian species in the Caribbean. One of the most cherished of these is the large ‘Mountain chicken’ that holds a special cultural importance in Dominica, but it is now Critically Endangered. Leer más.

Electric shock treatment is not a suitable remedy for a snakebite, as two neighbours found out to their cost. Leer más.