Boreal Chickadee

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Boreal Chickadee

The Boreal Chickadee (Poecile hudsonicus, formerly Parus hudsonicus) is a small passerine

Passerine

A passerine is a bird of the order Passeriformes, which includes more than half of all bird species. Sometimes known as perching birds or, less accurately, as songbirds, the passerines form one of the most diverse terrestrial vertebrate orders:...
bird

Bird

Birds are wing, Bipedalismal, endothermic , vertebrate animals that lay egg . There are around 10,000 living species, making them the most numerous tetrapod vertebrates....
in the tit family

Family (biology)

In biological classification, family is a taxonomic rank. Exact details of formal nomenclature depend on the Nomenclature Codes which applies....
Paridae.

Adults are 12.5–14.5 cm long with a weight of 7–12.4 g. They have grey-brown upperparts with a brown cap and greyish wings and tail; their face is mainly grey with white on the sides. Their underparts are white with brown on the flanks and a black throat.

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Encyclopedia

The Boreal Chickadee (Poecile hudsonicus, formerly Parus hudsonicus) is a small passerine

Passerine

Bird

Birds are wing, Bipedalismal, endothermic , vertebrate animals that lay egg . There are around 10,000 living species, making them the most numerous tetrapod vertebrates....
in the tit family

Family (biology)

Canada

Canada is a country occupying most of northern North America, extending from the Atlantic Ocean in the east to the Pacific Ocean in the west and northward into the Arctic Ocean....
, Alaska

Alaska

Alaska is the largest U.S. state of the United States by area; it is situated in the northwest extremity of the North American continent, with Canada to the east, the Arctic Ocean to the north, and the Pacific Ocean to the west and south, with Russia further west across the Bering Strait....
and the northern edges of the United States

United States

The United States of America is a Federal government constitutional republic comprising U.S. state and a federal district. The country is situated mostly in central North America, where its Contiguous United States and Washington, D.C., the Capital districts and territories, lie between the Pacific Ocean and Atlantic Oceans, Borders of the U...
. They nest in a hole in a tree; the pair excavates the nest, using a natural cavity or sometimes an old woodpecker

Woodpecker

Woodpeckers are near passerine birds of the order Piciformes. They are one subfamily in the family Picidae, which also includes the piculets and wrynecks....
nest. The pair remains together year round and may mate for life.

They are permanent residents, but sometimes move south in winter. They often forage with small flocks including other small birds in winter.

These birds forage on conifer branches or probe into the bark. They mainly eat insects and seeds. They will store food for later use.

The call is a husky tsik-a-dee-dee, a variant on the call which gives chickadees their name.

Often, it is still placed in the genus Parus with most other tits, but mtDNA cytochrome b

Cytochrome b

Cytochrome b/b6 is main subunit of transmembrane cytochrome bc1 complex and Cytochrome b6f complex complexes.In the mitochondrion of eukaryotes and in aerobic prokaryotes, cytochrome b is a component of respiratory chain complex III - also known as the bc1 complex or ubiquinol-cytochrome c reductase....
sequence

DNA sequence

A DNA sequence or genetic sequence is a succession of letters representing the primary structure of a real or hypothetical DNA molecule or strand, with the capacity to carry information as described by the central dogma of molecular biology....
data and morphology

Morphology (biology)

The term morphology in biology refers to form, structure and configuration of an organism. This includes aspects of the outward appearance as well as the form and structure of the internal parts like bones and organs....
suggest that separating Poecile more adequately expresses these birds' relationships (Gill et al., 2005). The American Ornithologists' Union

American Ornithologists' Union

The American Ornithologists' Union is an ornithology organization in the USA. Unlike the National Audubon Society, its members are primarily professional ornithologists rather than amateur birdwatching....
has been treating Poecile as a distinct genus for some time already. The genus name Poecile has often been treated as feminine (giving the species name ending hudsonica); however, this was not specified by the original genus author Johann Jakob Kaup

Johann Jakob Kaup

Johann Jakob Kaup was a Germany naturalist.He was born at Darmstadt. After studying at G?ttingen and Heidelberg he spent two years at Leiden, where his attention was specially devoted to the amphibians and fishes....
, and under the ICZN

ICZN

ICZN may refer to:*International Commission on Zoological Nomenclature, an organization*International Code of Zoological Nomenclature, published by that organization...
the genus name must therefore be treated by default as masculine, giving the name ending hudsonicus (del Hoyo et al. 2007).

External links

(for Canada
Canada

Canada is a country occupying most of northern North America, extending from the Atlantic Ocean in the east to the Pacific Ocean in the west and northward into the Arctic Ocean....
) with RangeMap
VIREO
; – mainebirdingtrail–"Maine's Boreal
Boreal ecosystem

'Boreal' is usually applied to ecosystems localized to subarctic and subantarctic zones, although Austral is also used for the latter. A "boreal forest", also known as the taiga, is the set of forest ecosystems that can survive in northern, specifically subarctic, regions....
Species"