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Strike-Induced Chemosensory Searching and Trail following by Prairie Rattlesnakes (Crotalus viridis) Preying upon Deer Mice (Peromyscus maniculatus): Chemical Discrimination among Individual Mice
Kim Furry, Tom Swain and David Chiszar
Vol. 47, No. 1 (Mar., 1991), pp. 69-78
Stable URL: http://www.jstor.org/stable/3892816
Page Count: 10
You can always find the topics here!Topics: Mice, Snakes, Prairies, Deer, Rodents, Herpetology, Odors, Venoms, T tests, Animal traps
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Prairie rattlesnakes, Crotalus viridis, responded to natural prey, Peromyscus maniculatus, with the same motor patterns seen when Mus musculus were prey (experiments 1 and 2). Further, C. viridis rapidly formed chemical search images of these natural prey (experiments 3 and 4). With the snake behind a barrier, chemical trails were made with two deer mice, neither envenomated. Then the snake struck one of these mice and was allowed to choose between the two trails, with neither mouse present. The trail previously made by the mouse that was eventually struck was selected on 83.3% of the trials. Results were identical when the the two trails were made with sibling mice raised together.
Herpetologica © 1991 Herpetologists' League