1.
Z Tierpsychol
; 41(3): 235-43, 1976 Jul.
Artigo
em Alemão
| MEDLINE
| ID: mdl-983424
RESUMO
Preycatching behaviour in salamanders (Salamandra salamandra L.) was studied before (60 larvae) and after metamorphosis (50 juveniles) to find out whether there are differences in releasing mechanisms depending on the developmental stage. Responses to prey dummies of different size, shape and orientation were recorded. With advancing age salamanders respond more selectively, preferring "wormlike" dummies. The releasing mechanism is narrowed down during 10 months after metamorphosis. This is not caused by learning processes.