Some animals have special colors or markings called protective coloration. These markings protect animals from predators, or animals that will eat them. Some markings are a kind of camouflage, meaning that they help the animal blend in with its surroundings. Others help scare predators away by making the animal appear dangerous.

Many animals have body colors that match their usual surroundings. This helps them to hide from predators. Snowshoe hares, for example, have white fur in winter to blend in with snow. For the rest of the year their fur is brown, to match the ground. Insects known as walkingsticks are long, thin, and green or brown. Their color and shape make them look like parts of the plants on which they feed. Some animals, such as cuttlefish, can even change their color and pattern to match their surroundings.

Spots, stripes, and other color patterns help to mask the true shape of some animals. For example, the stripes on zebras make it hard for predators to tell exactly where each zebra is. But patterned fur also helps some predators. The spots or stripes of many big cats help them to hide as they move closer to their prey.

Some animals use color to warn others not to bother them. These animals often have poison or other weapons to defend themselves. Some poisonous snakes and frogs are brightly colored. Bees, which are known for their stings, often have bold stripes of yellow and black. Predators may avoid these animals because they have learned to associate bright colors with pain.

Some harmless animals have the same colors as dangerous or bad-tasting animals. These colors trick predators into staying away. This type of coloration is called mimicry.

Animals gain helpful traits through a process called natural selection. If an animal happens to be born with such a trait, it is more likely than others to survive. It therefore has a better chance of having offspring. If the animal passes on the trait, the offspring, too, will have a better chance to survive. They can pass on the marking or coloring to their own offspring. After many generations, the entire population has the useful trait.

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