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How Frogs Eat Their Prey
If you’ve ever watched a frog eat prey, you’ve probably noticed that they close their eyes when swallowing. Scientists x-rayed frogs as they consumed crickets to discover what happens. The x-rays showed that the frog’s eyes don’t only close as they swallow, they retract down towards the esophagus. During swallowing the eyes appear to touch […]
History of Pet Fish
Fish were kept as pets already in ancient times. The ancient Egyptians kept fish both as a source of food and for entertainment. Their hieroglyphics depict Tilapia species and Mormyrids. The Chinese began to breed goldfish (from carp) in the 10th century. Goldfish were introduced to Europe at the end of the 18th century. In […]
Hunting Dogs
Contents 1 History of hunting dogs 2 Types of hunting dogs 3 Controversy surrounding the morality of hunting with dogs 4 Household pets History of hunting dogs Prehistoric man discovered the usefulness of dogs in hunting for food. Ancient cave paintings have been found which depict humans and dogs hunting together. At first, dogs were […]