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Animal Behavior Antipredator
Antipredator
14
Biology
Undergraduate 4
05/03/2010

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Cards

Term
Five Types of Camoflage
Definition
Coloration Matching the Visual Background
Disruptive coloration
Countershading
Transparency
Masquerade
Term
Disruptive Coloration
Definition
prevents perception of a prey animal’s form
Term
Countershading
Definition
animals with dark backs and light bellies
Term
Self-Shadow Concealment
Definition
the mechanism by which countershading achieves camouflage
Term
Masquerade
Definition
Prey may be detected but deemed inedible by predators
Term
Aposematism
Definition
Warning Coloration. a conspicuous appearance that advertises dangerous or unpleasant attributes
Term
Mullerian Mimicry
Definition
Two warningly colored species can look alike
Term
Batesian Mimicry
Definition
Palatable, defenseless, species evolve morphology and behavior similar to unpalatable species
Term
Pronouncement of Vigilance
Definition
Prey reactions communicate to the predator the prey is alert and aware
Term
Stotting
Definition
: a stiff-legged bounding display performed by pronghorn, deer and antelope
Term
Selfish Herd
Definition
a group is composed of selfish individuals
Each trying to position as many others as possible between itself and the predator
Term
Dilution Effect
Definition
each individual has a smaller chance of becoming the next victim as the group size increases
Term
Confusion Effect
Definition
predators are less successful in attacking prey because they are unable to single out and attack individuals
Term
Mobbing
Definition
approaching, gathering around, and harassing one’s enemies
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