In these times of rapidly changing climates, a major question is whether species will be able to survive. Essentially, they have two options: either shift their geographic ranges to stay within their ancestral niches, or adapt to new circumstances. Leer más.





Researchers have enlisted a Caribbean lizard to help them find out on how geography can influence the evolution of animal species. Leer más.
Mario Garrido, Valentín Pérez-Mellado and William E. Cooper Jr. Ethology Article first published online: 26 SEP 2014. DOI: 10.1111/eth.12322. Economic escape models predict escape decisions of prey which are approached by predators. Flight initiation distance (FID, predator–prey distance when prey begins to flee) and distance fled (DF) are major variables used to characterize escape responses. In optimal escape theory, FID increases as cost of not fleeing also increases. Leer más.