Broad-billed Hummingbird
Cynanthus latirostris
The broad-billed hummingbird is a small hummingbird about 8–10 cm (3.1–3.9 in) long. It weighs only 3–4 grams, with the male weighing slightly more than the female. The wingspan of this hummingbird is about 13 cm (5.1 in). It has a long, bright reddish coloured bill that has a black tip. The birds are metallic green dorsally with dull colouring on the crown and forehead. The hummingbird is sexually dimorphic, with male and female adults appearing significantly different. The male is dark green with white undertail-coverts and a blue throat or gorget. Voice: The C. latirostris chatter is done by both the male and the female. Like the note of a Ruby-crowned Kinglet (Regulus calendula), the chatter sounds like a rapid chi-dit. This noise can be done while perching or in flight. The males display call is a whining zing - but little is known about its song.
ID text from Wikipedia, CC BY-SA 4.0
Cozumel Emerald
Cynanthus forficatus
Male Cozumel emeralds are 9 to 10.5 cm (3.5 to 4.1 in) long and females 8 to 9.1 cm (3.1 to 3.6 in). Males and females both weigh about 2.5 g (0.088 oz). Males have a black bill with a red tip. Its crown is bright golden to golden green and the rest of the upperparts are a slightly duller golden green. Its underparts are brilliant metallic golden green with white tibial tufts. The tail is long and deeply forked, blue-black or black with a blue gloss, and the central two or three pairs of feathers have dark brownish gray tips. The female's maxilla is black and the mandible red with a black tip. Voice: The Cozumel emerald's vocalizations are described as similar to those of it close relatives, "dry, rattling and chattering calls".
ID text from Wikipedia, CC BY-SA 4.0
Where you might meet both
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Play today's Daily BirdPhotos and recordings are credited to their authors under the licence shown. Full profiles: Broad-billed Hummingbird and Cozumel Emerald.