First off, this lizard? It’s not really a lizard. It’s an almost vanished species, a reptile like no other. Leer más.

The Orokonui Ecosanctuary in Dunedin, New Zealand is the new home for 44 wild tuataras (Sphenodon punctatus) that were released there this week in an effort to restart the wild tuatara population on New Zealand’s South Island. The 44 wild tuataras will join 15 captive-hatched tuataras already in the sanctuary. Leer más.

Twenty years ago, paleontologist Mary Schweitzer made an astonishing discovery. Peering through a microscope at a slice of dinosaur bone, she spotted what looked for all the world like red blood cells. It seemed utterly impossible—organic remains were not supposed to survive the fossilization process—but test after test indicated that the spherical structures were indeed red blood cells from a 67-million-year-old Tyrannosaurus rex. Leer más.

An Australian lizard, the Eastern Water Skink, has dispelled a long held myth that reptiles are slow learners. Researchers studying the lizard have found they do have the ability for rapid and flexible learning, challenging previous work that has suggested reptiles are less cognitively sophisticated than other vertebrates. Leer más.

Cuando se amputa a una salamandra una de sus patas, los vasos sanguíneos del muñón se contraen pronto: se reduce la hemorragia y una capa de células dérmicas recubre rápidamente la superficie. Leer más.