About the Golden-crowned Emerald
The golden-crowned emerald is a species of hummingbird in the "emeralds", tribe Trochilini of subfamily Trochilinae. It is endemic to western Mexico.
Text adapted from Wikipedia, licensed CC BY-SA 4.0.
ID tip
The golden-crowned emerald is 7.5 to 9.5 cm (3.0 to 3.7 in) long and weighs about 2.2 g (0.078 oz). The adult male's crown is brilliant golden green and the rest of its upperparts duller golden green to bronzy green. Its underparts transition from an almost pure green on the chin and throat to brilliant golden green at the vent. The tail is long and deeply forked; its feathers are black with a violet-bluish gloss, and the central three pairs have broad brownish gray tips. The adult female's upperparts are like the male's. Its underparts are light gray that is palest on the belly and vent. Voice: The golden-crowned emerald has "dry, rattling and chattering calls".
Text from Wikipedia, licensed CC BY-SA 4.0.
Where it lives
When to see it
Peak activity in January · a variable species across most of its range
Easily confused with
Cozumel EmeraldCynanthus forficatusMale 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).
Turquoise-crowned HummingbirdCynanthus doubledayiThe Cornell Lab of Ornithology's Birds of the World does not describe the turquoise-crowned hummingbird separately from the broad-billed hummingbird.
Canivet's EmeraldCynanthus canivetiiMale Canivet's emeralds are 7.8 to 9.3 cm (3.1 to 3.7 in) long and weigh 2.1 to 2.8 g (0.074 to 0.099 oz).
Learn the Golden-crowned Emerald for real
BeakBrain drills you on photos and calls until you can greet this bird by name in the field. Free to play, on any device.
Play BeakBrainEvery photo and recording on this page is credited to its author under the licence shown. Spotted a problem with this page, or have a better photo? Contribute.