The freshwater sculpin species Cottus gulosus and Cottus perplexus present a challenge to biologists because of their overlapping sympatric distributions, morphological similarity, and historical ...

This nearly whole, deep-black skull belongs to the most complete specimen of Tyrannosaurus rex on display in Europe, an individual nicknamed Tristan Otto. With 170 of its 300-odd bones preserved, this ...

Established in 1936, Herpetologica is a quarterly peer-reviewed journal serving herpetologists, biologists, ecologists, conservationists, researchers and the scientific community. The journal contains ...