The golden-winged warbler (Vermivora chrysoptera ) is a New World warbler. It breeds in southeastern and south-central Canada and in the Appalachian Mountains in northeastern to north-central United States. The majority (~70%) of the global population breeds in Wisconsin, Minnesota, and Manitoba. Golden-winged warbler populations are slowly expanding northwards, but are generally declining across its range, most likely as a result of habitat loss and competition/interbreeding with the very closely related blue-winged warbler, Vermivora cyanoptera.
The genus name Vermivora is from Latin vermis "worm", and vorare, "to devour", and the specific chrysoptera is from Ancient Greek khrusos, "gold", and pteron, "wing".
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DiurnalDiurnal animals are active during the daytime, with a period of sleeping or other inactivity at night. The timing of activity by an animal depends ...
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CarnivoreA carnivore meaning 'meat eater' is an organism that derives its energy and nutrient requirements from a diet consisting mainly or exclusively of a...
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InsectivoresAn insectivore is a carnivorous plant or animal that eats insects. An alternative term is entomophage, which also refers to the human practice of e...
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ArborealArboreal locomotion is the locomotion of animals in trees. In habitats in which trees are present, animals have evolved to move in them. Some anima...
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TerrestrialTerrestrial animals are animals that live predominantly or entirely on land (e.g., cats, ants, snails), as compared with aquatic animals, which liv...
Oviparous animals are female animals that lay their eggs, with little or no other embryonic development within the mother. This is the reproductive...
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MonogamyMonogamy is a form of relationship in which both the male and the female has only one partner. This pair may cohabitate in an area or territory for...
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MigratingAnimal migration is the relatively long-distance movement of individual animals, usually on a seasonal basis. It is the most common form of migrati...
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starts withThis is a small warbler, measuring 11.6 cm (4.6 in) long, weighing 8–10 g (0.28–0.35 oz), and having a wingspan range 20 cm. The male has black throat, black ear patch bordered in white, and a yellow crown and wing patch. Females appear similar to males, with a light gray throat and light gray ear patches. In both sexes, extensive white on the tail is conspicuous from below. Underparts are grayish white and the bill is long and slender. Unlike most warblers, juveniles can be reliably sexed (using throat patch color) approximately 15 days after fledging.
Golden-winged warblers are migratory, breeding in eastern North America and wintering in southern Central America and the neighboring regions in Colombia, Venezuela, and Ecuador. They are very rare vagrants elsewhere.
Golden-winged warblers breed in open scrubby areas, wetlands, and mature forest adjacent to those habitats. They lay 3–6 eggs (often 5) in a concealed cup nest on the ground or low in a bush.
Golden-winged warblers feed on insects, spiders, and caterpillars. They have strong gaping (opening) musculature around their bill, allowing them to uncover hidden caterpillars.
Their song is variable, but is most often perceived as a trilled bzzzzzzz buzz buzz buzz. The call is a buzzy chip or zip.
Male Golden-winged warblers use their brilliant yellow crowns, black throats, and white tail feather patches to signal habitat quality. Birds with more ornate ornaments protect higher quality territories and are typically less aggressive than their less brilliantly-colored conspecifics. However, ornamentation has not been shown to be linked with overall reproductive success. This is likely because golden-winged warblers with less ornamentation likely compensate for this with increased aggression.
Five geotracked golden-winged warblers in Tennessee were observed migrating hundreds of miles south, presumably avoiding tornadic storms, in April 2014. Individuals left prior to the arrival of the storm, perhaps after detecting it due to infrasound.
Social animals are those animals that interact highly with other animals, usually of their own species (conspecifics), to the point of having a rec...