Amazilia Hummingbird
Amazilis amazilia
The amazilia hummingbird is 9 to 11 cm (3.5 to 4.3 in) long. Males weigh 5 to 6.5 g (0.18 to 0.23 oz) and females 4.5 to 5.5 g (0.16 to 0.19 oz). Both sexes of all subspecies have a straight, medium length, pinkish-red bill with a black tip. Adult males of the nominate subspecies A. a. amazilia have golden-green upperparts with rufous uppertail coverts. Their tail is also mostly rufous, with some bronze-green on the outer feathers. They have a glittering golden- to turquoise-green throat and a rufous lower breast and belly.
ID text from Wikipedia, CC BY-SA 4.0

Giant Hummingbird
Patagona gigas
Its mass is in the range of 17–31 g (0.60–1.09 oz), making it approximately twice as heavy as the next largest hummingbird. It has a wingspan of 21.5 cm (8.5 in), with a body length of 23 cm (9.1 in). The two subspecies are visually distinguishable. P. g. peruviana is yellowish brown overall and has white on the chin and throat, where P. g. gigas is more olive green to brown and lacks white on the chin and throat.
ID text from Wikipedia, CC BY-SA 4.0
Where you might meet both
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Play today's Daily BirdPhotos and recordings are credited to their authors under the licence shown. Full profiles: Amazilia Hummingbird and Giant Hummingbird.