Mammals are among the most adaptable animals on the planet. They are found on every continent and in every ocean, and range in size from tiny bumblebee bats to enormous blue whales. One reason for ...

Birds are vertebrate animals adapted for flight. Many can also run, jump, swim, and dive. Some, like penguins, have lost the ability to fly but retained their wings. Birds are found worldwide and ...

Gregory: When I was a teenager, I realized that if I took pictures of wild animals, it was a great ... who is a legendary National Geographic magazine wildlife photographer. It was right place ...