Swift Beak Small 320×240 Medium 640×480 Large 1024×768 Download TIFF Original 2400×1801 | (4.1 MB) Description Beak of Swift. Keywords anatomy, Aves, beak, bill, bird, birds Galleries Bird Anatomy Source: H. Alleyne Nicholson, An Introductory Text-book of Zoology(Edinburgh:William Blackwood and Sons, 1871) 152
