At Harvard I was in charge of the comparative anatomy labs.
Birds evolved from a small raptor like theropod.
Also, while I was at Yale, I had a job teaching kids at the museum.
One researcher just determined that African and Indian elephants make each other sick. When a new animal or plant is introduced to a habitat bad things happen. The biggest danger to native wildlife is foreign wildlife.
Stegosaurus was common only on well drained, dry soil.
Feathers predate birds.