**noun** * : conspicuous markings or bright colors possessed by an animal that serve as a warning to potential predators that it is toxic or distasteful * : The vivid orange, red, black and white color patterns on the wings are a monarch's advertisement to potential predators. This *warning coloration* enables a bird such as a blue jay, which might eat one poisonous monarch and become ill, to recognize and avoid the butterfly by sight alone in the future. **Examples of warning coloration in a Sentence** **Recent Examples on the Web** * : The striking bright blues, yellows, and oranges of poison dart frogs are a classic example of *warning coloration*, sending a message to predators to stay away. *[Source](https://www.merriam-webster.com/dictionary/warning%20coloration): Merriam-Webster Online Dictionary