After observing hundreds of failed attempts at inter-species lizard love in his laboratory, Jonathan Richardson, a U.S. Geological Survey researcher, realized it may be the size of the skinks that keeps different species from interbreeding. Leer más.

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Frog dissections are unethical and unnecessary. Furthermore, they are contributing to the depletion of wild frog populations and the spread of harmful invasive species and infectious diseases. Leer más.

A scientist from the University of Salamanca and another from Yale University have shown that the presence of predators affects the behaviour of Acanthodactylus beershebensis, a lizard species from the Negev Desert in the Near East. According to the study, these reptiles move less and catch less mobile and different prey if they are under pressure from predators. Leer más.

everal groups of dinosaurs that were roaming the South Pole more than 100 million years ago left three-toed prints in the wet, sandy soil. As they became compacted into cliffs, the prints waited patiently for Anthony Martin of Emory University to stumble across them in what is now Victoria, Australia. He found 24 complete prints. Leer más.