Signalling theory

thumb|upright=1.5 |The bright colours of this granular poison frog signal a warning to [[predators of its toxicity.]] thumb|upright=1.5 |The honey badger's [[reverse countershading makes it conspicuous, honestly signalling its ability to defend itself through its aggressive temperament and its sharp teeth and claws.]]

behavior in which animals take on the appearance of being dead

a set of display behaviors in which an animal, usually a male, attempts to attract a mate

hypothesis in evolutionary biology

social behaviour related to fighting; the term has broader meaning than aggressive behaviour because it includes threats, displays, retreats, placation, and conciliation

set of ritualized behaviours that enable an animal to communicate to other animals about specific stimuli

body of theoretical work examining communication between individuals

bluffing threat display of an animal used to startle a predator

alt=Juvenile Springbok stotting in Etosha National Park|thumb|upright=1.2|Juvenile Springbok stotting in [[Etosha National Park ]] Stotting (also called pronking or pronging) is a behavior of quadrupeds, particularly gazelles, in which they spring into the air, lifting all four feet off the ground simultaneously. Usually, the legs are held in a relatively stiff position. Many explanations of stotting have been proposed, though for several of them there is little evidence either for or against.

signal made by social animals and people to warn others of danger

thumb|A dusky toadlet displaying patches normally concealed thumb|The underside of a yellow-bellied toad

substances, signals or objects that attract living organisms