Wing of an Eagle

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“The more angular the wing of birds - that is to say, the longer the feathers on the edge of the wing - the more rapidly does it propel itself through the air.”


Bird Anatomy


Hazlitt Alva Cuppy PH.D., Editor Beauties and Wonders of Land and Sea (Springfield, OH: Mast, Crowell & Kirkpatrick, 1895)


TIFF (full resolution)

2400×962, 590.3 KiB

Large GIF

1024×410, 89.4 KiB

Medium GIF

640×256, 45.6 KiB

Small GIF

320×128, 15.3 KiB