Cozumel Emerald vs Golden-crowned Emerald

Cozumel Emerald

Cynanthus forficatus

Tiny3 gForest

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

Photo: Alexis Williams · CC BY 4.0

Golden-crowned Emerald

Cynanthus auriceps

Tiny2 gShrubland

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".

ID text from Wikipedia, CC BY-SA 4.0

Photo: Sandino Guerrero · CC BY 4.0

Photos and recordings are credited to their authors under the licence shown. Full profiles: Cozumel Emerald and Golden-crowned Emerald.