Berylline Hummingbird
Saucerottia beryllina
The berylline hummingbird is 8 to 10 cm (3.1 to 3.9 in) long. Males weigh about 4.4 g (0.16 oz) and females about 4.0 g (0.14 oz). The bills of males of all subspecies have a black maxilla and a pinkish mandible with a black outer half. Adult males of the nominate subspecies S. b. beryllina have a bronze-green to coppery head, back and rump. Their uppertail coverts and tail are coppery to rufous. The bases of their primaries and secondaries are chestnut and show as a patch on the closed wing. Their underparts are glittering golden green. Voice: The berylline hummingbird's song is somewhat variable, "slightly gruff, high-pitched twittering notes lisping introductory notes...rendered 'ssi kirr-i-rr kirr-i-rr', 'sirrr, ki-ti ki-dik' or 'sssi-ir sssiir chit-chit chit-chit-chit...'." It also makes calls that are described as "a hard, buzzy 'dzzzzir' or 'drrzzzt', and a more liquid 'dzzzzrrt' that may be repeated several times".
ID text from Wikipedia, CC BY-SA 4.0
Steely-vented Hummingbird
Saucerottia saucerottei
The steely-vented hummingbird is 8 to 11 cm (3.1 to 4.3 in) long and weighs about 4.4 to 5.0 g (0.16 to 0.18 oz). Both sexes of all subspecies have a black bill with a pinkish or reddish base to the mandible. Adult males of the nominate subspecies have golden-green upperparts with blue-black uppertail coverts. Their tail is also blue-black. Their underparts are dark glittering golden-green with greenish to steel blue undertail coverts. Adult females have some white on their throat feathers and grayish-brown undertail coverts. Voice: The steely-vented hummingbird's song has not been described in words. Its calls have been described as "a high, sharp tsit or dry chit, sometimes uttered in sputtering series."
ID text from Wikipedia, CC BY-SA 4.0
Learn this pair in the BeakBrain App
Photo and call practice. Coming soon to iPhone and Android.
Play today's Daily BirdPhotos and recordings are credited to their authors under the licence shown. Full profiles: Berylline Hummingbird and Steely-vented Hummingbird.