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Black-chinned Hummingbird - BirdForum Opus

Revision as of 23:18, 21 December 2022 by Deliatodd-18346 (talk | contribs) (→‎External Links: Multiple GSearches combined)
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Photo © by Marysan
Mission Trails Regional Park, San Diego, California, 21 April 2005
Archilochus alexandri

Identification

Female
Photo © by HelenB
Davis Mountains, West Texas, USA

3 1/4-3 3/4" (8-10 cm). A small hummingbird.
Male

  • Green above
  • iridescent black chin underlined by violet-purple throat band above white
  • Rest of underside is mostly green and grey
  • The wings of the adult male makes a soft whistle in flight except in moult.

Female

  • Green above
  • White throat and breast
  • Buff sides
  • Club shaped primaries
  • White-tipped outer tail feathers
  • The head is rather grey with a Post-ocular spot the main distinguishing character.

Similar Species

In East, female difficult to distinguish in field from female Ruby-throated Hummingbird. Structure like Ruby-throated: slender, small-headed, and thin-necked. Female distinguished from similar species by overall shape, long bill, flat forehead, drab greyish colour and longer wings with distinct club shaped primaries.


Distribution

Male, showing violet-purple throat band
Photo © by Larry D Smith

Breeds from British Columbia south throughout West to Mexico and central Texas.
Winters in Mexico, though a small number of Black-chinned winter along the Gulf Coast of the USA.

Taxonomy

This is a monotypic species[1].

Habitat

Mountain and alpine meadows, woodlands, canyons with thickets, chaparral, and orchards.

Behaviour

Diet

Their main diet consists of flower nectar, small insects and spiders. They will come to feeding stations for sugar water.

Breeding

Male
Photo © by Ross Hines
Whitewright, Texas, USA, May 2020

Two white eggs in a nest of fluffy plant wool and lichens woven together with spider webs, placed in a shrub or low tree.


The male Black-chinned, like all hummingbirds, maintains a mating and feeding territory in spring. He courts his female with a dazzling aerial display involving a pendulum-like flight pattern. When mating interest wanes, the male often takes up residence elsewhere, near a good food supply. Later, when plant blooming and insect swarming subside, the birds move south.

Vocalisation

Voice: A low tup.

References

  1. Clements, J. F., T. S. Schulenberg, M. J. Iliff, S. M. Billerman, T. A. Fredericks, B. L. Sullivan, and C. L. Wood. 2019. The eBird/Clements Checklist of Birds of the World: v2019. Downloaded from http://www.birds.cornell.edu/clementschecklist/download/
  2. Baltosser, W. H. and S. M. Russell (2020). Black-chinned Hummingbird (Archilochus alexandri), version 1.0. In Birds of the World (A. F. Poole and F. B. Gill, Editors). Cornell Lab of Ornithology, Ithaca, NY, USA. https://doi.org/10.2173/bow.bkchum.01

Recommended Citation

External Links

GSearch checked for 2020 platform.

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