Swallow-tailed kite

Swallow-tailed kite
Name	Swallow-tailed kite
Status	LC
Status system	IUCN3.1
Genus	Elanoides
Species	forficatus
Authority	(Linnaeus, 1766)

Swallow-tailed kite The swallow-tailed kite is a distinctive raptor known for its deeply forked tail and graceful aerial agility, celebrated in natural history accounts and field guides from John James Audubon to contemporary ornithological surveys by the National Audubon Society and Cornell Lab of Ornithology. Widely noted in florid regional studies by agencies such as the Florida Fish and Wildlife Conservation Commission and in conservation plans by the U.S. Fish and Wildlife Service, the species figures in migration research involving networks like the Monarch Joint Venture and telemetry projects funded by institutions including the Smithsonian Institution.

Taxonomy and systematics

Taxonomically described by Carl Linnaeus in 1766, the species sits in the monotypic genus Elanoides within the family Accipitridae, a placement discussed in revisions by the American Ornithological Society and phylogenies published in journals like The Auk and Molecular Phylogenetics and Evolution. Historical treatments reference classifications by Alexander Wetmore and compare relationships with genera treated by Nicholas Aylward Vigors and species assessed in compendia such as the Handbook of the Birds of the World. Genetic analyses involving researchers at Harvard University and the University of Florida have informed debates on subspecific variation and migration-linked population structure addressed in studies appearing in Conservation Biology and Biological Conservation.

Description

Adults exhibit a glossy black body with contrasting white mantle and underparts described in field guides from the Royal Ontario Museum and illustrated in plates by Roger Tory Peterson and John Gould. The long, deeply forked tail and narrow wings are diagnostic in identification keys used by birders affiliated with organizations like BirdLife International and regional chapters of Birds Canada, and feature measurements recorded in specimen catalogs at the Smithsonian National Museum of Natural History and the American Museum of Natural History. Morphometrics compared across populations appear in reports issued by the Georgia Department of Natural Resources and in checklists maintained by the Canadian Wildlife Service.

Distribution and habitat

Range descriptions appear in atlases produced by the National Geographic Society and migration mapping projects coordinated by the Map of Life initiative, showing breeding concentrations in the southeastern United States, especially in states monitored by the Mississippi Department of Wildlife, Fisheries and Parks, Louisiana Department of Wildlife and Fisheries, and Alabama Department of Conservation and Natural Resources. Wintering grounds and stopover sites have been documented across Central America and South America in inventories by the Panama Audubon Society, research by the University of Costa Rica, and surveys undertaken by BirdLife International partners in countries such as Brazil, Colombia, and Venezuela. Preferred habitats—wetland complexes, bottomland hardwoods, and riparian corridors—are subjects of habitat assessments by the Nature Conservancy and restoration programs run by the U.S. Forest Service.

Behavior and ecology

Aerial behavior and social foraging have been described in ethological studies published by researchers at Duke University and field observations compiled by the North American Bird Conservation Initiative. Roosting dynamics in communal sites have attracted monitoring from teams affiliated with the Southeastern Cooperative Wildlife Disease Study and the Gulf Coast Bird Observatory, while long-distance migration patterns feature in collaborative telemetry projects with the Max Planck Institute and satellite-tagging studies reported through the Global Raptor Impact Network. Interactions with other species, such as mixed-species foraging flocks noted by E.O. Wilson-style community ecology surveys and competition with hawks recorded in state wildlife reports, figure in ecosystem-level analyses in journals like Ecology Letters.

Breeding and reproduction

Nesting ecology in tall trees within floodplain forests is documented by surveys conducted by the Jones Ecological Research Center and nesting success metrics published in reports from the Mississippi State University extension. Clutch size, incubation behavior, and fledging times are summarized in breeding accounts by the National Wildlife Federation and peer-reviewed articles by researchers from the University of Georgia; protected nesting sites are included in habitat conservation plans overseen by the U.S. Fish and Wildlife Service and state agencies such as the Florida Fish and Wildlife Conservation Commission.

Diet and foraging

The species captures insects, small vertebrates, and arboreal prey during agile flight, a diet characterized in dietary analyses by teams at the Smithsonian Tropical Research Institute and dietary synthesis papers in The Condor. Foraging strategies are compared across habitats in studies by Louisiana State University and observations compiled by volunteers with eBird and the North American Breeding Bird Survey, with prey lists referenced in monographs published by the Wilson Ornithological Society.

Conservation and threats

Conservation status assessments by the International Union for Conservation of Nature and recovery recommendations from the U.S. Fish and Wildlife Service and BirdLife International note population declines linked to habitat loss, wetland drainage, and deforestation documented in reports by the World Wildlife Fund and land-use analyses from the United Nations Environment Programme. Threat mitigation includes habitat protection initiatives by the Nature Conservancy, policy measures advocated by conservation NGOs such as the Sierra Club, and research funding from foundations like the MacArthur Foundation and the Packard Foundation. Ongoing monitoring is coordinated by networks including the Partners in Flight initiative and regional programs run by state wildlife agencies and university research centers.

Category:Accipitridae