Glucocorticoids play a key role in the stress response in vertebrates. In particular, corticosterone (CORT) is the main glucocorticoid in amphibians, birds, and reptiles.The most common methods for...

Saliva is a secretion rich in epithelial cells and an excellent source of DNA for genetic analysis. Attempts to identify wild vertebrates from noninvasive samples of saliva have been restricted to...

The reasons for variation in group size among animal species remain poorly understood. Using ‘Ashmole’s halo’ hypothesis of food depletion around colonies, authors predict that foraging range...

Identifying the main factors affecting the spatial distribution of marine predators is essential in order to evaluate their distribution patterns, predict the potential impact of human activities...

A comprehensive framework and guidelines for implementing a recently developed method for classifying alien taxa is presented.