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Cited by 17Avian ecology and behaviorPlant and animal studiesSpecies Distribution and Climate Change

The DOI matches its Crossref record.

THE GIANT HUMMINGBIRD PATAGONA GIGAS IN ECUADOR

Ortiz‐Crespo, Fernando I.·1974·Ibis
DOI 10.1111/j.1474-919x.1974.tb00130.x
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Abstract

Summary The Giant Hummingbird Patagona gigas was studied in highland Ecuador in 1968–70. The northern and southern limits of its known distribution were extended, but east‐west range and altitudinal limits were as restricted as noted by other authors. Its distribution elsewhere in South America is also reviewed, as are the taxonomy of various populations and breeding records. It is concluded that northern Ecuador is not reached by migrants from central Chile. Locally, Agave americana was the principal source of nectar, and the Ecuadorian range of the bird corresponds with the distribution of this plant. Further south, where the birds occur over a wider range of elevations, other plants are visited. It is suggested that the availability of nectar and the presence of competitors in combination determine the distribution of the Giant Hummingbird. The Ecuadorian population is probably prevented from northward extension by conditions unsuitable for Agave americana. There is evidence that this plant is exotic to Ecuador; its introduction may have permitted the Giant Hummingbird to expand its range from Peru.

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Research works printed but not linked: 50

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Metadata

Authors
Ortiz‐Crespo, F. I.
Affiliations
Museum of Vertebrate Zoology (US)
Corresponding author
Ortiz‐Crespo, Fernando I.
Venue
Ibis
Publisher
Wiley
Published
1974-07
Volume
116
Issue
3
Pages
347-359
ISSN
  • 0019-1019 (ISSN-L)
  • 1474-919X
DOI
10.1111/j.1474-919x.1974.tb00130.x
OpenAlex
W2073249939
Cited by
17
References
0
Citations by year
2026: 2 · 2025: 1 · 2024: 1 · 2023: 1 · 2022: 1 · 2015: 1
FWCI
0.00
Type
journal article
Language
en
Open access
closed
Licence
onlinelibrary.wiley.com/termsAndConditions#vor (vor, 12330 d)
Locations
Ibis (publishedVersion)
Topics
  • Physical Sciences › Environmental Science › Ecology › Avian ecology and behavior
  • Life Sciences › Agricultural and Biological Sciences › Ecology, Evolution, Behavior and Systematics › Plant and animal studies
  • Physical Sciences › Environmental Science › Ecological Modeling › Species Distribution and Climate Change
Keywords
Patagona gigas, species distribution, range extension, altitudinal limits, Agave americana, nectar sources, hummingbird migration, range limits, breeding records, hummingbird taxonomy, plant introduction, Ecuador, Peru, Chile

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