Warning Coloration in Animals: Examples, Overview

Lesson Transcript
Instructor: Margaret Cunningham

Margaret has taught many Biology and Environmental Science courses and has Master's degrees in Environmental Science and Education.

This lesson will explore a unique survival skill utilized by some prey known as warning colorations. Read about the different kinds of animals that use warning coloration and why they use it, then test your knowledge with a short quiz.

Definition of Warning Colorations

Over time, organisms have developed many different strategies for survival. For prey species, those that are hunted and killed by other animals, adaptations that keep them from being consumed are their most important survival strategies. Some species are fast and can run from predators, and others are strong and can fight off predators. Those species that are neither fast nor strong need another way to protect themselves from predators.

Some prey species utilize camouflage, the ability to blend in with the environment to avoid predation. Although this strategy helps some species go undetected by predators, other prey species want to stand out and be noticed. These species use warning colorations, or brightly colored or distinctive markings on their bodies. Commonly used bright colors include reds, oranges, and yellows, and the distinct markings normally include some form of contrasting colors.

So, why would a prey species want to stand out and be noticed? Prey species that use warning colorations want to attract predators so that they can show the predator that they are poisonous or toxic and by eating them, the predator will be harmed. After a predator encounters a prey species that has warning colorations and it is harmed, they will associate the color or pattern with the negative experience, and most likely, not try to consume the prey again.

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Examples of Animals that Use Warning Coloration

Poison dart frogs are an example of a prey species that utilizes very bright colors to survive. As you may have guessed from the name, poison dart frogs are poisonous and can cause serious harm to a predator. There are over one hundred species of poison dart frogs, and they have a wide range of colors and patterns. Although the design of each species may vary, they all contain a poison in their skin that will sicken or kill predators. One species, the golden poison arrow frog, has poison so toxic that it could kill a small animal or human if consumed. The bright colors of these frogs are a warning to predators that they should not be consumed.

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