lecture 9 - antipredator behavior intro Flashcards
what is ground squirrel pups antipredator behavior
displaying increased immunological response to snake venom just before emerging from burror
what are the levels of antipredator behavior
- avoiding detection
- encounters with predators
how do animals avoid detection
- blending into the environment
- being quiet
- choosing safe habitats
what is an example of blending into the environment
for beach mice, light color variants that live on beach and dark colors for further inland
what is an example of being quiet
gulf toadfish reduce whistle calling when they hear dolphin noises
what is an example of choosing safe habitats
parrots nest in tree cavities when high predation risk
what are strategies when encountering predators
- fleeing
- approaching predators
- faking death
- signal to predators that you have seen them or warn about danger
- fighting back
- autotomy
when do prey initiate fleeing more quickly
when further from refuge and when they are more experienced
when are animals slower to flee
when they are involved in foraging, fighting and mating
who generally approaches predators and is it constant
healthy adults and it is often interrupted with pauses or short retreats
what are some signals prey send to predators
visual (coloration), whistles, barks
how do birds fight back
use a group attack to mob predators
how do bombardier beetles fight back
use chemical weapons
what is autotomy
self amputation to distract predator and then flee
