Title
Chemosensory predator recognition in the lizard **Podarcis hispanica** : effects of predation pressure relaxation Chemosensory predator recognition in the lizard **Podarcis hispanica** : effects of predation pressure relaxation
Author
Faculty/Department
Faculty of Sciences. Biology
Publication type
article
Publication
New York ,
Subject
Chemistry
Biology
Source (journal)
Journal of chemical ecology. - New York
Volume/pages
22(1996) :1 , p. 13-22
ISSN
0098-0331
ISI
A1996TW39600002
Carrier
E
Target language
English (eng)
Full text (Publishers DOI)
Affiliation
University of Antwerp
Abstract
We compared the behavior of two subspecies of Podarcis hispanica lizards in cages that had been chemically marked by a saurophagous snake, the viper Vipera latastei. One of the subspecies (P. h. atrata) has experienced a relaxation from predation pressure by this viper, as snakes were eradicated from the island it inhabits over 100 years ago. Nevertheless, individuals from P.h. atrata responded to the snake's chemicals similarly to individuals from a population of P.h. hispanica, currently sympatric with V. latastei. Lizards exhibited more stress-indicating behaviors (foot shakes, tail vibrations, sudden starts), became less mobile, and tongue-flicked more while moving in a snake-inhabited terrarium than when in a clean, unfamiliar terrarium.
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