de Bruijn PJ1, Egas M1, Sabelis MW1, Groot AT1,2.
J Evol Biol. 2016 Mar;29(3):665-71. doi: 10.1111/jeb.12813. Epub 2016 Jan 12.Animals often respond to danger by raising alarm to inform others. Alarm signals come in many different forms, such as visual or mechanical display, sound or odour. Some animals produce vocal alarm signals that vary with the level of danger. For chemical alarm signals, virtually nothing is known about such context-dependent signalling due to a general notion that alarm pheromones have fixed compositions. Read More