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Extended Data Fig. 8 | Scleral rings of selected neornithines. a, Asio
flammeus, short-eared owl. b, Buteo jamaicensis, red-tailed hawk. c, Cerorhinca
monocerata, rhinoceros auklet. d, Dendrocopus villosus, hairy woodpecker.
e, Chordeiles minor, common nighthawk. f, Selaphorus sasin, Allen’s
hummingbird. g, Cypseloides niger, American black swift. h, Megaceryle alcyon,
belted kingfisher.