Palaeo After Dark

Podcast 188 - Bird Brains and Propeller Tails

Informações:

Synopsis

The gang discusses two papers about archosaurs. The first paper looks at the trends in brain size relative to body size in birds over their entire evolutionary history. The second paper revisits the dinosaur Spinosaurus and adds more information to the debate over whether this animal had a semi-aquatic lifestyle. Meanwhile, James has some villagers he needs to “un-person”, Curt gives alternative definitions to slang, and Amanda just disappears (I’m sure she’ll be fine).   Up-Goer Five (Curt Edition): Our friends talk about thinks they fly and something that moved through the water. The first paper looks at the brains of things that fly. As the body gets bigger, the brain usually gets bigger as well. But sometimes the way in which the brain gets bigger can change. Sometimes the brain gets bigger faster than the body and sometimes it gets bigger slower than the body. When looking at very old things that fly, what they find is that when the body gets smaller, the brain stays larger. This is something that big an