Eastern kingbird
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The eastern kingbird (Tyrannus tyrannus) is a large tyrant flycatcher native to the Americas. The bird is predominantly dark gray with white underbelly and pointed wings.<ref name="allaboutbirds.org">{{#invoke:citation/CS1|citation |CitationClass=web }}</ref> Eastern kingbirds are conspicuous and are commonly found in open areas with scattered trees and bushes, where they perch while foraging for insects.<ref>Template:Cite book</ref> The Eastern kingbird is migratory, with its breeding range spread across North America and its wintering range in Central and South America.<ref name="iucn status 12 November 2021" />
TaxonomyEdit
The eastern kingbird was described by the Swedish naturalist Carl Linnaeus in 1758 in the tenth edition of his Systema Naturae under the binomial name of Lanius tyrannus.<ref>Template:Cite book</ref> The present genus Tyrannus was introduced in 1799 by the French naturalist Bernard Germain de Lacépède with the eastern kingbird as the type species.<ref>Template:Cite book Page numbering starts at one for each of the three sections.</ref> The species is monotypic; no subspecies are recognised.<ref name=ioc>{{#invoke:citation/CS1|citation |CitationClass=web }}</ref>
DescriptionEdit
Adults are grey-black on the upperparts with light underparts; they have a long black tail with a white end and long, pointed wings. They have a red patch on their crown, seldom seen. They are of average size for a kingbird, at Template:Convert, Template:Convert across the wings and weighing Template:Convert.<ref name="allaboutbirds.org"/>
The call is a high-pitched, buzzing and unmusical chirp, frequently compared to an electric fence.<ref>{{#invoke:citation/CS1|citation |CitationClass=web }}</ref>
Distribution and rangeEdit
Their breeding habitat is open areas across North America. They make a sturdy cup nest in a tree or shrub, sometimes on top of a stump or pole. These birds aggressively defend their territory, even against much larger birds.<ref name="cornell">{{#invoke:citation/CS1|citation |CitationClass=web }}</ref>
These birds migrate in flocks to South America. There are three European records, all from the British Isles: two from Ireland in October 2012 and September 2013, and one from Scotland in September 2016.
BehaviorEdit
BreedingEdit
Some eastern kingbirds place their nests in the open, while others hide their nests well. Eastern kingbirds in southern British Columbia may nest in open fields, in shrubs over open water, high up in trees, and even in the tops of small stumps. Both male and female participate in nest defense, but females may stay on well-hidden nests longer than females with open nests, who may leave nests earlier to chase away predators. Those pairs nesting in the open may be able to see predators coming earlier and rely on aggressive behavior to protect their young.
The aggressive mobbing behavior of eastern kingbirds has been shown to keep ravens and crows from finding experimental nests placed near kingbird nests. Similar experimental nests placed further from the kingbird nests were more likely to be spotted by crows and ravens. Blue jays, American crows, squirrels, and tree-climbing snakes are on occasion kingbird nest predators. American kestrels likely prey on the adults.<ref>{{#invoke:citation/CS1|citation |CitationClass=web }}</ref>
Food and feedingEdit
Eastern kingbirds wait on an open perch and fly out to catch insects in flight, sometimes hovering to pick prey off vegetation. They also eat berries and fruit, mainly in their wintering areas.<ref>e.g. of gumbo-limbo (Bursera simaruba) (Foster 2007).</ref>
FootnotesEdit
ReferencesEdit
- Foster, Mercedes S. (2007): The potential of fruiting trees to enhance converted habitats for migrating birds in southern Mexico. Bird Conservation International 17(1): 45–61. {{#invoke:doi|main}} PDF fulltext
External linksEdit
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- Eastern Kingbird - Tyrannus tyrannus - USGS Patuxent Bird Identification InfoCenter
- Eastern Kingbird Species Account – Cornell Lab of Ornithology
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