Color vision, feathers, and dinosaurs

Color vision, feathers, and dinosaurs

It is now known that feathers first evolved in dinosaurs. So-called protofeathers serve an insulation function, which would have been important to poikiotherms/ectotherms such as dinosaurs whose internal sources of heat would have been negligible. This is not such a...
Elephants as seed dispersers

Elephants as seed dispersers

Over 90% of tree species in the tropics rely on animals to disperse their seeds…  Why?  Its simple: seeds are more likely survive and germinate if they are moved away from their parents because they avoid being noticed by rodent predators and fungal and...