Glossary of "Ecology (6th ed.)" by Krebs (2009)
- warning coloration, indicating to a predator that this prey is poisonous or highly defended against attack.
Glossary of "Evolution (4th ed.)" by Futuyma & Kirkpatrick (2017)
- Coloration or other features that advertise noxious properties; warning coloration.
- Krebs, C. J. 2009. Ecology, 6th ed. -xvi + 655 pp. Pearson Benjamin Cummings, San Francisco.
- Futuyma, D. J. & Kirkpatrick, M. 2017. Evolution, 4th ed. -xviii + 602 pp. Sinauer Associates, Inc., Sunderland.