Age differences in the response of California ground Squirrels (Spermophilus beecheyi) to avian and mammalian predators.

@article{Hanson1997AgeDI,
  title={Age differences in the response of California ground Squirrels (Spermophilus beecheyi) to avian and mammalian predators.},
  author={Monica Hanson and Richard G. Coss},
  journal={Journal of comparative psychology},
  year={1997},
  volume={111 2},
  pages={174-84}
}
The antipredator behavior of juvenile and adult California ground squirrels (Spermophilus beecheyi) was videotaped in Experiment 1 to measure the effects of age on assessment of a briefly presented live dog and a model red-tailed hawk (Buteo jamaicensis) in simulated flight. Adult squirrels treated the hawk as more dangerous than the dog, whereas juvenile squirrels showed less differentiation of the predator types. Juvenile squirrels also perceived the dog as a more immediate danger than adult… CONTINUE READING