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The efficiency of communication depends on the ability of conspecifics to recognize and locate each other, and the environment can impose important limitations on reliability of transmitted and received information. In contrast to the 3D space of airborne sound communication, substrate-borne...
Persistent link: https://www.econbiz.de/10009352166
Predators may either learn to avoid aposematic prey or may avoid it because of an innate bias. Learned as well as innate avoidance has been observed in birds, but the existing evidence is based on experiments with rather few unrelated model species. We compared the origin of avoidance in...
Persistent link: https://www.econbiz.de/10008581493
The prevalent, and so far most explored, host defense against brood parasitism is egg discrimination. Not only do the hosts differ markedly in their propensity to reject parasitic eggs but rejecters even vary in their egg rejection times. The focus of the present study was to investigate factors...
Persistent link: https://www.econbiz.de/10009148618