The effect of signal appearance and distance on detection risk in an aposematic butterfly larva (Parnassius apollo)

روزنامه با شماره پیاپی سال 2008

8

577

584

detection risk , Parnassius apolloPrey animals have evolved a variety of defence strategies.In protective coloration there are two widespread categories:cryptic coloration or camouflage , and warning coloration or aposematism , which decreasesthe risk of detection , Edmunds 1974 , Ruxton et al.2004). Aposematic coloration typically includes conspicuouscolours that deviate from those of the natural backgroundof the animal , Evans & Schmidt 1990 , such as red , which is used to signal unprofitability (Cott 1940 , orange and yellow.Moreover , such colours often occur together with black , apollo butterfly , producing a pattern with high contrast.Aposematic coloration has conventionally been consideredto lie , conspicuousness , crypsis , aposematism , distance dependence

Animal Behaviour

2008

Animal Behaviour