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| Antillean crested hummingbird | |
|---|---|
| Name | Antillean crested hummingbird |
| Status | LC |
| Status system | IUCN3.1 |
| Genus | Orthorhyncus |
| Species | cristatus |
| Authority | (Linnaeus, 1758) |
Antillean crested hummingbird is a small, sexually dimorphic hummingbird native to parts of the Caribbean. It is known for the male's iridescent crest and widespread presence on several islands. The species has been the subject of studies in island biogeography, evolutionary biology, and conservation efforts.
Described by Carl Linnaeus in 1758, the species is placed in the genus Orthorhyncus, which has been treated in revisions alongside taxa discussed by John Gould, Alexander Wilson, and later by the American Ornithological Society. Molecular analyses referencing laboratories at institutions like Smithsonian Institution and University of Oxford have examined relationships with Caribbean hummingbirds such as species in the genera Mellisuga and Chlorostilbon. Historical specimens collected during voyages of James Cook and expeditions associated with the Natural History Museum, London informed early classification, while modern phylogeographic work has involved researchers affiliated with Yale University, University of Florida, and the Caribbean Ornithological Society. Subspecific variation across islands has been compared to patterns documented for taxa treated in the context of the Founder effect and theories by Ernst Mayr and J.B.S. Haldane.
Adults are diminutive, comparable in size to small passerines studied by authors like John James Audubon; males exhibit a glossy crest frequently noted in field guides by the Cornell Lab of Ornithology and museum plates at the American Museum of Natural History. Plumage features have been illustrated in works by Roger Tory Peterson and measured in morphometric studies at Imperial College London and University of Cambridge. Sexual dimorphism, bill length, and wing morphology have been documented in comparison with Caribbean species treated in monographs by Storrs L. Olson and Melvin A. Traylor Jr..
The species occurs across islands where ornithologists from organizations like the National Audubon Society, BirdLife International, and local groups such as the Jamaica Conservation and Development Trust have recorded populations. Habitats include edge vegetation, gardens, and secondary forests surveyed by field teams from Royal Society-funded projects and regional conservation NGOs operating in territories related to Guadeloupe, Dominica, Martinique, and Puerto Rico. Island biogeography frameworks of MacArthur and Wilson help explain its patchy occupancy alongside distributions of species treated in Caribbean checklists published by the Caribbean Birding Association.
Behavioral observations have been conducted following protocols developed by researchers at Cornell Lab of Ornithology and techniques used in studies by Konrad Lorenz and contemporary ethologists. Territorial displays, aggressive interactions, and courtship have been compared with behaviors described for hummingbirds in field handbooks by Guy Tudor and regional avifaunal accounts prepared with input from the Smithsonian Tropical Research Institute. Ecological interactions with plant taxa monitored by botanists at Royal Botanic Gardens, Kew and pollination studies aligned with methods from Kew Gardens indicate roles in pollination networks similar to those documented by Charles Darwin for island floras.
Nesting biology has been recorded using field methodologies endorsed by the British Ornithologists' Union and juvenile development metrics paralleling studies at Max Planck Institute for Ornithology and universities like University of California, Berkeley. Clutch sizes, incubation periods, and fledging timelines have been compared in reviews by authors associated with the Handbook of the Birds of the World project and monitoring schemes implemented by BirdLife International partners in Caribbean territories including those administered by France and United Kingdom conservation agencies.
Feeding ecology combines nectarivory studies using frameworks from researchers at the Smithsonian Institution and insectivory analyses like those published by teams at Princeton University and University of Michigan. The species visits flowering plants cataloged by botanists collaborating with Kew Gardens and interacts with introduced ornamental species tracked by horticulturalists connected to Royal Horticultural Society. Insect prey has been sampled using methods promoted by entomologists affiliated with Smithsonian Tropical Research Institute and compared to dietary data compiled in regional faunal surveys by the Caribbean Natural Resources Institute.
Assessment of conservation status follows criteria from the International Union for Conservation of Nature and monitoring by groups such as BirdLife International, with local action from entities like the Puerto Rico Department of Natural and Environmental Resources and NGOs modeled on the Rainforest Alliance. Threats include habitat alteration documented in environmental impact assessments commissioned by agencies of United States territories and European administrations in the Caribbean, invasive species issues treated in reports by the IUCN Invasive Species Specialist Group, and climate change projections from the Intergovernmental Panel on Climate Change. Conservation measures have been implemented in collaboration with regional partners including the Caribbean Biodiversity Fund and research institutions like University of the West Indies.