El 1 de marzo de 2012 fotografié esta Rana ágil (Rana dalmatina) en la charca de Bigandi, cerca del pueblo de Uzkiano, pero dentro del municipio de Amurrio (Araba), la charca de cría más importante de la población del Alto Nervión de esta especie de rana parda, incluida en la categoría “Vulnerable” del Catálogo Vasco de Especies Amenazadas. La fotografía superior está tomada a la sombra, con luz natural y sin trípode y la inferior con flash. Leer más.

The famous feathered dinosaur archaeopteryx seems to have had a penchant for fossilizing in painful positions, with its head cranked backward at a severe angle. The contorted posture is so common in dinosaur fossils that it has its own name: opisthotonus, from the Greek “tonos,” meaning tightening, and “opistho,” behind. Leer más.

Snakes Evolve Along Similar Path Of Poison Resistance Say Biologists. Leer más.

In North Africa, three species of large paleartic vipers have been recorded inside the genus Macrovipera sensu Herrmann et al., 1992 (Schleich et al., 2006). Several phylogenetic studies suggest the allocation of two of these species inside the genus Daboia (Lenk et al., 2001; Garrigues et al., 2005; Wüster et al., 2008; Pyron et al., 2011): D. mauritanica (Duméril & Bibron, 1848), and D. deserti (Anderson, 1892). Leer más.

The Table Mountain Ghost Frog, Heleophryne rosei, is listed as ‘Critically Endangered’ on the IUCN Red List of Threatened SpeciesTM. This elusive species is restricted to swift-flowing streams on the slopes of Cape Town’s iconic Table Mountain. Leer más.