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Keywords: deep fovea
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Journal Articles
J Exp Biol (2000) 203 (24): 3745–3754.
Published: 15 December 2000
...Vance A. Tucker ABSTRACT Raptors – falcons, hawks and eagles in this study – have two regions of the retina in each eye that are specialized for acute vision: the deep fovea and the shallow fovea. The line of sight of the deep fovea points forwards and approximately 45 ° to the right or left...
Journal Articles
J Exp Biol (2000) 203 (24): 3755–3763.
Published: 15 December 2000
... acuity at the deep fovea of one eye, but the head in this position increases aerodynamic drag and slows the falcon down. The falcon could resolve this conflict by holding its head straight and flying along a logarithmic spiral path that keeps the line of sight of the deep fovea pointed sideways...