carolina chickadee

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      The Carolina chickadee (Poecile carolinensis) is a small passerine bird in the tit family Paridae.


      Taxonomy


      The Carolina chickadee was often placed in the genus Parus with most other tits, but mtDNA cytochrome b sequence data and morphology suggest that separating Poecile more adequately expresses these birds' relationships. The American Ornithologists' Union has been treating Poecile as distinct genus since 1998. Although it and the black-capped chickadee most likely diverged about 2.5 million years ago, the birds still hybridize in the areas where their ranges overlap. The offspring of mated pairs of hybrid chickadees suffer from lower hatching success, and a male bias sex ratio, consistent with Haldane's rule.


      Description


      Adults are 11.5–13 cm (4.5–5.1 in) long with a weight of 9–12 g (0.32–0.42 oz), and have a black cap and bib with white sides to the face. Their underparts are white with rusty brown on the flanks; their back is gray. They have a short dark bill, short wings and a moderately long tail. Very similar to the black-capped chickadee, the Carolina chickadee is distinguished by the slightly browner wing with the greater coverts brown (not whitish fringed) and the white fringing on the secondary feathers slightly less conspicuous; the tail is also slightly shorter and more square-ended. Without calls, visual distinction between the two species is very difficult even with an excellent view.
      Eggs are about 1.5 cm (0.6 in) long and 1.1 cm (0.4 in) wide. Eggs are white with areas of reddish-brown ranging from dots to small blotches.


      Vocalization


      The calls and song between the Carolina chickadee and the black-capped chickadee differ subtly to an experienced ear: the Carolina chickadee's chick-a-dee call is faster and higher pitched than that of the black-capped chickadee, and the Carolina chickadee has a four note fee-bee-fee-bay song, whereas the black-capped omits the high notes.
      The most famous call is the familiar chick-a-dee-dee-dee, which gave this bird its name. Its song is fee-bee-fee-bay.


      Distribution and habitat



      Their breeding habitat is mixed or deciduous forests in the United States from New Jersey and Pennsylvania west to southern Kansas and south to Florida and Texas; there is a gap in the range at high altitudes in the Appalachian Mountains where they are replaced by their otherwise more northern relative, the black-capped chickadee.
      They are permanent residents, not usually moving south even in severe winter weather.


      Diet


      These birds hop along tree branches searching for insects, sometimes hanging upside down or hovering; they may make short flights to catch insects in the air. Insects form a large part of their diet, especially in summer; seeds and berries become important in winter. They sometimes hammer seeds on a tree or shrub to open them; they also will store seeds for later use. Carolina chickadees commonly make use of feeders.


      Behavior


      During the fall migration and winter, chickadees often flock together in flocks of 8–10 birds. Each of the birds in a flock has a rank; while highly ranked birds will remain on the flock's territory for breeding, lower-ranked birds must find new breeding territory. Many other species of birds, including titmice, nuthatches, and warblers can often be found foraging in these flocks. Mixed flocks occur about 50% of the time. Mixed flocks stay together because the chickadees call out whenever they find a good source of food. This calling out forms cohesion for the group, allowing the other birds to find food more efficiently.
      Carolina chickadees actively defend individual spaces of 2–5 ft (0.6–1.5 m) apart; if another bird encroaches on these spaces, the dominant bird may make gargle calls. At feeders, these birds will usually take a seed and fly to a branch isolated from other birds to eat it.
      These birds usually sleep in cavities, though they may sleep in branches. Different members of a flock will sleep in the same cavity from night to night. While females usually sleep in the nest cavity, males will normally sleep on a nearby branch.


      Breeding


      They nest in a hole in a tree; the pair excavates the nest, using a natural cavity or sometimes an old woodpecker nest. They may interbreed with black-capped chickadees where the ranges overlap, which can make identification even more difficult. The female will build the nest out of moss and strips of bark; she will then line it with hair or plant fibers. Clutches are usually made up of 3–10 eggs with an incubation period of 12–16 days. The nestling period is usually 16–19 days.


      Temperature regulation



      Carolina chickadees are able to lower their body temperatures to induce an intentional state of hypothermia called torpor. They do this to conserve energy during extremely cold winters. In extreme cold weather conditions they look for cavities where they can hide in and spend up to fifteen hours at a time in torpor. During this time they are awake but unresponsive; they should not be picked up and handled at this time because the stress of being held may cause death.


      References




      External links



      Carolina chickadee at BirdHouses101.com
      Carolina chickadee bird sound at Florida Museum of Natural History
      "Carolina chickadee media". Internet Bird Collection.
      Carolina chickadee photo gallery at VIREO (Drexel University)

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    Carolina Chickadee Identification - All About Birds

    Carolina Chickadee Photos and Videos Tiny, approachable bird with a short neck and large head, giving it a distinctive spherical body shape. Stark white cheeks contrast with black cap and throat.

    Carolina chickadee - Wikipedia

    The Carolina chickadee (Poecile carolinensis) is a small passerine bird in the tit family Paridae. The Carolina chickadee was often placed in the genus Parus with most other tits, but mtDNA cytochrome b sequence data and morphology suggest that separating Poecile more adequately expresses these birds' relationships. [2] .

    Carolina Chickadee | Audubon Field Guide

    Very similar to the Black-capped Chickadee, this bird replaces it in the southeastern states. Living in milder climates, it has been reported to be less of a visitor to bird feeders, but it does come into suburban yards for sunflower seeds.

    Carolina Chickadee - All About Birds

    John James Audubon named this bird while he was in South Carolina. The curious, intelligent Carolina Chickadee looks very much like a Black-capped Chickadee, with a black cap, black bib, gray wings and back, and whitish underside.

    Identifying Black-capped and Carolina Chickadees | Audubon

    Aug 15, 2013 · Here’s an ID challenge that shows up at backyard bird feeders in the eastern U.S.: Black-capped Chickadee vs. Carolina Chickadee. These two are distinct species, without a doubt, but they are surprisingly similar in appearance and voice.

    Carolina Chickadee Life History - All About Birds

    Carolina Chickadees glean insects from foliage and tree bark, often hanging upside down to do so. They hold seeds and insects in their feet, wedged against the branch they’re perched on, to peck into them. They readily use bird feeders. Carolina Chickadees excavate or find an unused cavity, usually 2-25 feet up in a tree.

    Carolina Chickadee - American Bird Conservancy

    The Carolina Chickadee is endemic to the southeastern United States, where it is a common backyard visitor, along with the Blue Jay, Mourning Dove, and Downy Woodpecker. Although this perky, black-capped and -bibbed songbird is adaptable, recent studies reveal it is also choosy, seeking out suburban nest sites where certain kinds of plants grow.

    How to Identify and Attract a Carolina Chickadee

    Jul 10, 2024 · Carolina chickadees are found year-round in the southeastern United States, as far north as Pennsylvania and all the way west to mid-Texas. Their range overlaps a bit with the more northern (and slightly larger) black-capped chickadee in a very narrow zone that stretches from New Jersey to Kansas.

    Carolina Chickadee - eBird

    The only chickadee in almost all of its range. Gray overall with contrasting head pattern: black cap, white cheek, and black throat. Short, stubby bill is used for hammering open seeds.

    Carolina Chickadee - ID, Facts, Diet, Habit & More | Birdzilla

    Mar 2, 2023 · Carolina Chickadees (Poecile carolinensis) are native to the southeastern United States. They are known for their distinctive black cap and bib, as well as their cheerful, chick-a-dee-dee-dee call. These energetic birds are often seen flitting through forests and woodlands, darting from tree to tree in search of food.