(Encyclopedia) migration of animals, movements of animals in large numbers from one place to another. In modern usage the term is usually restricted to regular, periodic movements of populations away…
For centuries, animals have been used to help fight wars. Before there were tanks, soldiers rode their horses into battle. Pack animals such as camels, mules, and horses carried ammunition and…
Vertebrates and Invertebrates Warm-blooded animals regulate their own body temperatures; their bodies use energy to maintain a constant temperature. Cold-blooded animals depend on their…
Most animals never even see their parents! Many never meet their fathers and some never meet their mothers, either. Some insects, fish, amphibians and reptiles hatch from fertilized eggs and face…
Most animals (including people) use “body language” as well as sound and smell in order to communicate with one another. Here are some of the ways animals express themselves. Many animals…
Animals' lives are not peaceful! They must be able to find food for themselves and their young (which often includes tracking and killing it), and avoid becoming food themselves. Sometimes they…
Do animals cry? Most animals don't (with the exception of human beings), but there is a large, gentle marine mammal called a dugong who lives in the Indian Ocean and sheds tears when in trouble or…
Many animals can regenerate-that is, regrow or grow new parts of their bodies to replace those that have been damaged. Here are a few of these amazing creatures…
The inventor of modern scientific classification was Carolus Linnaeus (1707-1778) a Swedish botanist who classified and described more than 4,400 species of animals and 7,700 species of…
