Subtitle:

Search for conspicuous versus cryptic prey

Contributor:

Polish Academy of Sciences. Institute of Ecology

Publisher:

Polish Academy of Sciences. Institute of Ecology. Publishing Office

Place of publishing:

Dziekanów Leśny

Description:

Strony 385-388 : ilustracje ; 27 cm ; Bibliografia na stronie 388

Type of object:

Czasopismo/Artykuł

Abstract:

Models of optimal search rates predict that predators increase the search rate when availability of conspicuous prey increases relative to cryptic prey. I tested this prediction by comparing foraging hop rates by 19 Painted Redstarts (Myioborus pictus) - insectivorous birds in Arizona, USA. Redstarts often use flashy displays of open wings and tail to flush their prey and to subsequently chase the prey in air. Such flush-displays make the prey conspicuous and easy to detect. Hence, foraging mode affects relative availability of conspicuous versus cryptic prey: birds foraging with frequent flush-displays encounter conspicuous prey more often then birds foraging with infrequent flush-displays. As predicted, the hop rates during foraging with infrequent flush-displays were lower than hop rates during foraging with frequent displays.

References:

Barber M. B., Barber D. R., Jabłoński P. G. 2000 - Painted Redstart (Myioborus pictus). No. 528 (In: Birds of North America, Eds. A. Poole, F.Gill) - The Academy of Natural Sciences, Philadelphia, PA and The American Ornithologist's Union, Washington D.C.
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Jabłoński P. G. 1999 - A rare predator exploits prey escape behavior: the role of tail-fanning and plumage contrast in foraging of the painted redstart (Myioborus pictus) - Behav. Ecol. 10: 7-14.
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Keast A., Pearce L., Saunders S. 1995 - How convergent is American Redstart (Setophaga ruticilla, Parulinae) with fiycatchers (Tyrannidae) in morphology and feeding behavior? - Auk, 112: 310-325.
Remsen J. V., Robinson S. K. 1990 - A classification scheme for foraging behavior of birds in terrestrial habitats - Stud. Avian Biol. 13: 144-160.
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Relation:

Polish Journal of Ecology

Volume:

51

Issue:

3

Start page:

385

End page:

388

Detailed Resource Type:

Artykuł

Resource Identifier:

oai:rcin.org.pl:117560

Source:

MiIZ PAN, sygn. P.2840 ; click here to follow the link

Language:

eng

Language of abstract:

Rights:

Licencja Creative Commons Uznanie autorstwa 3.0 Polska

Terms of use:

Zasób chroniony prawem autorskim. [CC BY 3.0 PL] Korzystanie dozwolone zgodnie z licencją Creative Commons Uznanie autorstwa 3.0 Polska, której pełne postanowienia dostępne są pod adresem: ; -

Digitizing institution:

Muzeum i Instytut Zoologii Polskiej Akademii Nauk

Original in:

Biblioteka Muzeum i Instytutu Zoologii PAN

Projects co-financed by:

Program Operacyjny Polska Cyfrowa, lata 2014-2020, Działanie 2.3 : Cyfrowa dostępność i użyteczność sektora publicznego; środki z Europejskiego Funduszu Rozwoju Regionalnego oraz współfinansowania krajowego z budżetu państwa

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