Isolation rearing reveals latent antisnake behavior in California ground squirrels ( Otospermophilus becheeyi ) searching for predatory threats

Verfasser / Beitragende:
[Chris Tromborg, Richard Coss]
Ort, Verlag, Jahr:
2015
Enthalten in:
Animal Cognition, 18/4(2015-07-01), 855-865
Format:
Artikel (online)
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024 7 0 |a 10.1007/s10071-015-0853-5  |2 doi 
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245 0 0 |a Isolation rearing reveals latent antisnake behavior in California ground squirrels ( Otospermophilus becheeyi ) searching for predatory threats  |h [Elektronische Daten]  |c [Chris Tromborg, Richard Coss] 
520 3 |a This study of California ground squirrels (Otospermophilus beecheyi) investigated the long-term effects of isolation rearing on alarm-call recognition. Six wild-caught squirrels, trapped as yearlings, and six laboratory-reared squirrels were maintained in solitary cages for approximately 3years prior to the study. Visual searching and olfactory searching were measured as squirrels emerged from their burrow-like nest box into a laboratory room after hearing repetitive playbacks of alarm calls or control sounds consisting of pulses of white-noise or ambient laboratory sounds. Before exiting completely after hearing alarm calls, both groups exhibited similar levels of visual searching that was reliably higher than after hearing the other sounds. After exiting completely, the laboratory-reared squirrels exhibited a reliably greater amount of olfactory investigation than the wild-caught squirrels. Five laboratory-reared squirrels turned around after exiting and inspected their dark nest-box opening, three of which tail flagged repeatedly and one threw substrate into the opening. Since pups recognize snakes and engage in this behavior, this latent expression of antisnake behavior illustrates its robust organizational properties in the appropriate burrow-like context irrespective of the presumed retardation of neural development known to occur in other species of rodent subjected to similar isolation rearing. 
540 |a Springer-Verlag Berlin Heidelberg, 2015 
690 7 |a California ground squirrels  |2 nationallicence 
690 7 |a Alarm calls  |2 nationallicence 
690 7 |a Innate antisnake behavior  |2 nationallicence 
690 7 |a Isolation rearing  |2 nationallicence 
690 7 |a Nest-box exiting  |2 nationallicence 
690 7 |a Olfactory investigation  |2 nationallicence 
690 7 |a Visual searching  |2 nationallicence 
700 1 |a Tromborg  |D Chris  |u Department of Psychology, University of California, 95616, Davis, CA, USA  |4 aut 
700 1 |a Coss  |D Richard  |u Department of Psychology, University of California, 95616, Davis, CA, USA  |4 aut 
773 0 |t Animal Cognition  |d Springer Berlin Heidelberg  |g 18/4(2015-07-01), 855-865  |x 1435-9448  |q 18:4<855  |1 2015  |2 18  |o 10071 
856 4 0 |u https://doi.org/10.1007/s10071-015-0853-5  |q text/html  |z Onlinezugriff via DOI 
898 |a BK010053  |b XK010053  |c XK010000 
900 7 |a Metadata rights reserved  |b Springer special CC-BY-NC licence  |2 nationallicence 
908 |D 1  |a research-article  |2 jats 
949 |B NATIONALLICENCE  |F NATIONALLICENCE  |b NL-springer 
950 |B NATIONALLICENCE  |P 856  |E 40  |u https://doi.org/10.1007/s10071-015-0853-5  |q text/html  |z Onlinezugriff via DOI 
950 |B NATIONALLICENCE  |P 700  |E 1-  |a Tromborg  |D Chris  |u Department of Psychology, University of California, 95616, Davis, CA, USA  |4 aut 
950 |B NATIONALLICENCE  |P 700  |E 1-  |a Coss  |D Richard  |u Department of Psychology, University of California, 95616, Davis, CA, USA  |4 aut 
950 |B NATIONALLICENCE  |P 773  |E 0-  |t Animal Cognition  |d Springer Berlin Heidelberg  |g 18/4(2015-07-01), 855-865  |x 1435-9448  |q 18:4<855  |1 2015  |2 18  |o 10071