Collurio borealis, ♂ I. 415, pl. 19, fig. 1
borealis (_Juv._) I. 415, pl. 19, fig. 2
excubitoroides, ♂ I. 421, pl. 19, fig. 3
ludovicianus, ♂ I. 418, pl. 19, fig. 4
robustus, I. 420.
A History of North American Birds; Land Birds; Vol. 3 of 3 · 第 483 / 607 题