"Fig. 41 shows phalanges of caprimulgines foot, where the ratio is 2, 3, 4, 4." Elliot Coues, 1884

Phalanges of Caprimulgine

"Fig. 41 shows phalanges of caprimulgines foot, where the ratio is 2, 3, 4, 4." Elliot Coues, 1884