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
Snowy-bellied Hummingbird
Saucerottia edward
The snowy-bellied hummingbird is 8 to 11 cm (3.1 to 4.3 in) long. Males weigh 5 to 5.4 g (0.18 to 0.19 oz) and females 4.3 to 5.2 g (0.15 to 0.18 oz). Both sexes of all subspecies have a straight blackish bill whose mandible has a reddish base. Adult males of the nominate subspecies S. e. edward have bronze-green upperparts that are especially coppery in the back and rump. Their tail is bronze to coppery and sometimes has a purple sheen. Their throat and chest are glittering golden green, the belly has a V-shaped white center, and the undertail coverts are rufous. Voice: The snowy-bellied hummingbird's song is "a soft 'bebeebee, d’beebee' or 'tseer tir tir'." It also makes "tip" or "tsip" calls.
ID text from Wikipedia, CC BY-SA 4.0
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