Green-and-rufous Kingfisher
Chloroceryle inda
The green-and-rufous kingfisher is about 24 cm (9.4 in) long. Males weigh 40 to 60 g (1.4 to 2.1 oz) and females 53 to 62 g (1.9 to 2.2 oz). It has the typical kingfisher shape, with a somewhat shaggy crest and a long heavy bill. The bill is black with some pale yellow at the base of the mandible and its legs and feet are pinkish to dark gray. The two species have almost identical plumage, and the differences are similar to the variation present in each subspecies. Adult males have glossy green upperparts with a pale yellowish collar. Voice: The green-and-rufous kingfisher's song is "thin, high-pitched notes, 'week week week'." It has a variety of calls including a "chip-chip-chip", a "hard, rolling 'drrrt'", a "crackling 'trit-trit-trit'", and a "twitter followed by rapidly repeated, low 'too-too-too-too'".
ID text from Wikipedia, CC BY-SA 4.0
Green Kingfisher
Chloroceryle americana
The green kingfisher is about 20 cm (8 in) long and weighs about 35 to 40 g (1.2 to 1.4 oz); females are larger and heavier than males. Birds in the northern and southern parts of its range, and those west of the Andes, are larger and heavier than the others, but the differences tend to be clinal. The species has the typical kingfisher shape with long heavy bill (heaviest in Trinidad and Tobago); in contrast to many other kingfishers, however, it does not have an obvious crest. The bill is black with some horn color at the base of the mandible and its legs and feet are dark gray.
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: Green-and-rufous Kingfisher and Green Kingfisher.