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Amazilia beryllina

Berylline Hummingbird

  • Order: Apodiformes
  • Family: Trochilidae

Authors: Arizmendi, M.C., C. Rodríguez-Flores & C. Soberanes-González

Identification

Summary

8 - 10 cm. Bill straight, black, lower mandible reddish at the base. Crown, nape and back bright green, turning brown on rump. Feathers that cover the tail above, purple. Wings blackish, central flight feathers reddish at the base. Tail squared, slightly forked, intense reddish, central feathers dark-purple. Males and females are different. Male: 4.4 g. Throat and chest iridescent green. Belly cinnamon-gray; feathers that cover below tail, cinnamon with white margins. Female: 4 g. Throat green, less iridescent. Belly whitish. Immature are similar to female. The males immature have the throat and chest cinnamon-buff, spotted with green on sides and iridescent green on center; belly cinnamon-gray.

Similar Species

It is similar to Amazilia tzacatl but differ in the hazelnut color patch that A. beryllina has on wings. In the perch, Berylline Hummingbird is similar to genus Eupherusa hummingbirds, but in flight, these last show white on tail feathers.

Vocalizations

The calls are dzzzzir or drzzzt; a high and clear sssi kirr-i-rr or kirr-i-rr or sirr k-ti ki-dik repeated of two to three times.

Nonvocal Sounds

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Detailed Description (appearance)

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Bare Parts

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Measurements

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Molts

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Geographic Variation

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Systematics

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Recommended Citation

Arizmendi, M.C., C. Rodríguez-Flores & C. Soberanes-González. 2010. Berylline Hummingbird (Amazilia beryllina), Neotropical Birds Online (T. S. Schulenberg, Editor). Ithaca: Cornell Lab of Ornithology; retrieved from Neotropical Birds Online: http://neotropical.birds.cornell.edu/portal/species/overview?p_p_spp=254456