article thumbnail

Are Birds Really Dinosaurs?

10,000 Birds

It is much stranger and illustrative of the ways of evolution to point out that whales are a form of “hoofed animal&# (unlikely but true). Among mammals, bipedalism is found in several rodents, a number of marsupials, and one primate. For example, there seems to have been dinosaurs that used feathers as their body covering.

Birds 267
article thumbnail

The Emotional Lives of Animals

4 The Love Of Animals

Elephants, whales, hippopotamuses, giraffes, and alligators use low-frequency sounds to communicate over long distances, often miles; and bats, dolphins, whales, frogs, and various rodents use high-frequency sounds to find food, communicate with others, and navigate. A Grateful Whale. Photo by Flickker Photos.

Emotional 100