Blue-tailed Hummingbird
Saucerottia cyanura
The blue-tailed hummingbird is 9 to 10 cm (3.5 to 3.9 in) long. One male specimen weighed 3.9 g (0.14 oz) and females weigh about 4.5 g (0.16 oz). Both sexes of all subspecies have a black bill with a reddish base to the mandible. Males of the nominate subspecies have a deep metallic green crown and back, a dull purplish bronze rump, and dark metallic bluish uppertail coverts. Their primaries and secondaries are chestnut and show as a patch on the closed wing. Their tail is dark metallic violet blue. Their underparts are mostly bright metallic green with dull steel blue undertail coverts. Voice: The blue-tailed hummingbird's song is "a short twitter". Its calls include "a hard, raspy bzzzrt ... hard chips, and high, sharp siik!, the last of which it makes in flight.
ID text from Wikipedia, CC BY-SA 4.0
Indigo-capped Hummingbird
Saucerottia cyanifrons
The indigo-capped hummingbird is 7 to 10 cm (2.8 to 3.9 in) long and weighs about 5 g (0.18 oz). Both sexes have a black bill with a red base to the mandible. The adult male has an indigo-blue crown, shining green upperparts with a bronze to coppery gloss on the rump, and bronze to bluish black uppertail coverts. Its tail is deep steel blue. Its underparts are glittering golden green with undertail coverts that vary from bronze-green to dark bluish with whitish edges. The adult female's crown is turquoise-blue towards the rear and its throat feathers have a grayish bar near the end. Voice: The indigo-capped hummingbird's song is "a repeated buzzy, squeaky phrase 'tzuk-keee ... tsrp'." It also makes "a high, sharp 'tsit'" call, sometimes in a series.
ID text from Wikipedia, CC BY-SA 4.0
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Play today's Daily BirdPhotos and recordings are credited to their authors under the licence shown. Full profiles: Blue-tailed Hummingbird and Indigo-capped Hummingbird.