Visual Fields, Foraging and Collision Vulnerability in Gyps Vultures

Journal Article

Title: Visual Fields, Foraging and Collision Vulnerability in Gyps Vultures
Publication Date:
July 01, 2012
Journal: Ibis
Volume: 154
Issue: 3
Pages: 626-631
Publisher: Wiley
Receptor:
Interactions:

Document Access

Website: External Link

Citation

Martin, G.; Portugal, S.; Murn, C. (2012). Visual Fields, Foraging and Collision Vulnerability in Gyps Vultures. Ibis, 154(3), 626-631.
Abstract: 

The visual fields of vultures contain a small binocular region and large blind areas above, below and behind the head. Head positions typically adopted by foraging vultures suggest that these visual fields provide comprehensive visual coverage of the ground below, prohibit the eyes from imaging the sun and provide extensive visual coverage laterally. However, vultures will often be blind in the direction of travel. We conclude that by erecting structures such as wind turbines, which extend into open airspace, humans have provided a perceptual challenge that the vision of foraging vultures cannot overcome.

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