25/25
[ stop the slideshow ]

Wing of a Bird, Showing the Arrangement of the Feathers

Reduce slideshow speed Increase slideshow speed Do not repeat slideshow Previous Pause slideshow Next
Wing of a Bird, Showing the Arrangement of the Feathers.jpg Pariasaurus - An Extinct Vegetarian Triassic ReptileThumbnailsPariasaurus - An Extinct Vegetarian Triassic ReptileThumbnailsPariasaurus - An Extinct Vegetarian Triassic ReptileThumbnailsPariasaurus - An Extinct Vegetarian Triassic ReptileThumbnailsPariasaurus - An Extinct Vegetarian Triassic ReptileThumbnailsPariasaurus - An Extinct Vegetarian Triassic ReptileThumbnails

The longest feathers or primaries (PR) are borne by the two fingers (2 and 3), and their palm-bones (CMC); the second longest or secondaries are borne by the ulna bone (U) of the fore-arm; there is a separate tuft (AS) on the thumb (TH).