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Anna's Hummingbird Calypte anna

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We do not have a complete account for this species.

The summary below is an overview from The Birds of North America Online.

BNA Account Authors: Russell, Stephen M.

Once nesting only on the Pacific slope of northern Baja California and California north to the San Francisco Bay area, Anna's Hummingbird has expanded its range dramatically since the mid-1930s. It now breeds north to Vancouver Island, British Columbia, and eastward to southern Arizona, and it has nested at least once in Texas. This species' effective use of widely cultivated urban and suburban exotic plants has contributed to its increased numbers and expanded range.

Male Anna's Hummingbirds attract attention through their elaborate Dive Displays, in which they may ascend 40 meters and then plummet toward their target¿a female Anna's Hummingbird or other bird. Males sing more conspicuously than any other North American hummingbird, and their songs are learned and complex, unusual in nonpasserine birds. They move their head frequently as they sing, flashing the brilliant iridescence of their rose gorget and crown. They are intolerant of other hummingbirds, and chases are frequent.

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Song

© Thomas G Sander

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  • Year-round
  • Migration
  • Breeding
  • Non-breeding

Recommended Citation

Anna's Hummingbird (Calypte anna), In Neotropical Birds Online (T. S. Schulenberg, editor). Cornell Lab of Ornithology, Ithaca, New York, USA. retrieved from Neotropical Birds Online: https://neotropical.birds.cornell.edu/Species-Account/nb/species/annhum