esearchers from Harvard University, The University of Texas at Austin and elsewhere have found evidence that the evolution of birds is the result of a drastic change in how dinosaurs developed. Scientists have long understood that modern birds descended from dinosaurs. Rather than take years to reach sexual maturity, as many dinosaurs did, birds sped up the clock — some species take as little as 12 weeks to mature — allowing them to retain the physical characteristics of baby dinosaurs. Leer más.

Tocar una rana dorada venenosa silvestre podría matarte en cuestión de minutos. De hecho, una de ellas, cuyo nombre en Latín, Phyllobates terribilis, brinda una mayor idea de su naturaleza, puede matar 10 humanos con su único miligramo de veneno. La naturaleza mortal de esta pequeña rana no ha evitado que casi se extinguiera. Ahora, en un esfuerzo por salvar la especie, la World Land Trust (WLT) y la organización NGO ProAves de Colombia, se han asociado para crear una reserva en la selva de Chocó, de 50 hectáreas. Leer más.

Fifteen conservation groups have joined forces to save the Sierra Caral, an area of primary rainforest in Guatemala, in what is a remarkable conservation success story. Leer más.

AAWG15 will be held in Trento, Italy from Monday 28 to Thursday 31 May, 2012. The meeting will be informal, but every delegate will be expected to make a presentation (a talk or poster). Leer más.