publication . Article . 2012

Unmasking Zorro: functional importance of the facial mask in the Masked Shrike (Lanius nubicus)

Reuven Yosef; Piotr Zduniak; Piotr Tryjanowski;
Open Access
  • Published: 03 Feb 2012 Journal: Behavioral Ecology, volume 23, pages 615-618 (issn: 1045-2249, eissn: 1465-7279, Copyright policy)
  • Publisher: Oxford University Press (OUP)
Abstract
The facial mask is a prominent feature in the animal kingdom. We hypothesized that the facial mask of shrikes allows them to hunt into the sun, which accords them detection and surprise-attack capabilities. We conducted a field experiment to determine whether the mask facilitated foraging while facing into the sun. Male shrikes with white-painted masks hunted facing away from the sun more than birds with black-painted masks, which are the natural color, and more than individuals in the control group who were not painted. Furthermore, individuals with white-painted masks hunted at a greater angle in relation to the sun during the experiment than after the paint h...
Subjects
Medical Subject Headings: genetic structures
free text keywords: Animal Science and Zoology, Ecology, Evolution, Behavior and Systematics, Biology, Shadow, Ecology, Shrike, biology.organism_classification, Predation, Lanius, Masked shrike, Foraging, Cartography, Facial mask
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publication . Article . 2012

Unmasking Zorro: functional importance of the facial mask in the Masked Shrike (Lanius nubicus)

Reuven Yosef; Piotr Zduniak; Piotr Tryjanowski;