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Cardellina canadensis

Cardellina canadensis

Superregnum: Eukaryota
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Superphylum: Deuterostomia
Phylum: Chordata
Cladus: Craniata
Subphylum: Vertebrata
Infraphylum: Gnathostomata
Superclassis: Tetrapoda
Cladus: Reptiliomorpha
Cladus: Amniota
Classis: Reptilia
Cladus: Eureptilia
Cladus: Romeriida
Subclassis: Diapsida
Cladus: Sauria
Infraclassis: Archosauromorpha
Cladus: Crurotarsi
Divisio: Archosauria
Subsectio: Ornithodira
Subtaxon: Dinosauromorpha
Cladus: Dinosauria
Ordo: Saurischia
Cladus: Theropoda
Cladus: Neotheropoda
Infraclassis: Aves
Ordo: Passeriformes
Subordo: Passeri
Infraordo: Passerida
Superfamilia: Passeroidea

Familia: Parulidae
Genus: Cardellina
Species: Cardellina canadensis
Name

Cardellina canadensis (Linnaeus, 1766)
Synonyms

Wilsonia canadensis
Muscicapa canadensis Linnaeus, 1766 (original combination)

References

Syst. Nat. ed. 12, 1: 327, 1766.
IOC

Vernacular names
čeština: lesňáček kanadský
dansk: Canadasanger
Deutsch: Kanadawaldsänger
English: Canada Warbler
español: Reinita Canadiense
eesti: viirpugu-säälik
suomi: viirurintakerttuli
føroyskt: Bringuríputur gulljómari
français: Paruline du Canada
Kreyòl ayisyen: Ti Tchit Kanada
magyar: örvös lombjáró
íslenska: Haustskríkja
italiano: Parula canadese
日本語: クロボシアメリカムシクイ, kuroboshiamerikamushikui
lietuvių: Kanadinė vilsonija
Nederlands: Canadese Zanger
norsk: Kanadaparula
polski: wilsonka kanadyjska
português do Brasil: mariquita-do-canadá
português: Mariquita-do-canada
русский: Канадская вильсония
slovenčina: horárik kanadský
slovenščina: apalaški frfotavček
svenska: Kanadaskogssångare
Türkçe: Kanada Ötleğeni
中文: 加拿大威森莺

The Canada warbler (Cardellina canadensis) is a small boreal songbird of the New World warbler family (Parulidae). It summers in Canada and northeastern United States and winters in northern South America.

Taxonomy

In 1760 the French zoologist Mathurin Jacques Brisson included a description of the Canada warbler in his Ornithologie based on a specimen collected in Canada. He used the French name Le gobe-mouche cendré de Canada and the Latin name Muscicapa Canadensis Cinerea.[2] Although Brisson coined Latin names, these do not conform to the binomial system and are not recognised by the International Commission on Zoological Nomenclature.[3] When in 1766 the Swedish naturalist Carl Linnaeus updated his Systema Naturae for the twelfth edition, he added 240 species that had been previously described by Brisson.[3] One of these was the Canada warbler. Linnaeus included a brief description, coined the binomial name Muscicapa canadensis and cited Brisson's work.[4] The species is now placed in the genus Cardellina that was introduced by the French naturalist Charles Lucien Bonaparte in 1850.[5] The species is monotypic.[6]

Description

The Canada warbler is sometimes called the "necklaced warbler," because of the band of dark streaks across its chest. The adults have minimal sexual dimorphism, although the male's "necklace" is darker and more conspicuous and also has a longer tail. Adults are 12–15 cm (4.7–5.9 in) long, have a wingspan of 17–22 cm (6.7–8.7 in) and weigh 9–13 g (0.32–0.46 oz).[7]

The chest, throat and belly of the bird is yellow, and its back is dark grey. It has no wingbars or tail spots, but the underside of the tail is white. It has a yellow line in front of its eye in the direction of the beak, but the most striking facial feature is the white eyerings or "spectacles."[8] Immature specimens have similar coloration as adults but duller and with less pronounced facial features.[8]

Song

The About this soundsong (help·info) of this bird is loud and highly variable, resembling chip chewy sweet dichetty. Their calls are low chup's.

A 2013 study showed that male Canada warblers have two performance-encoded song types. In Mode I, used mostly during the day, when unpaired either alone or near a female during early nesting, involves stereotyped songs sung slowly and regularly. Mode II, used at dawn, after pairing and when near another male, involves variable songs, sung rapidly with irregular rhythm and chippipng between songs. Most of the phrases used were common to both modes, a feature unique among paulidswhich ordinarily have an individual's repertoire separated into two distinct parts.[9]

In 2000, a female Canada warbler (or a post-hatching year old male that failed to moult, something never before observed) in Giles County, Virginia was observed singing. Its repertoire consisted of a repeated song of 12 to 13 notes as well as several shorter songs consisting of the first five or six notes of the longer song. The bird did not respond to playback of its own song or a recording of a male. Although female singing among the parulids has long been considered "idiosyncratic," singing by female Canada warblers is supported by observation of female singing in congener Wilson's warbler and the closely related hooded warbler.[10]

Distribution and habitat

During the breeding season 82% of the population can be found in Canada and 18% in the United States.[7] In Canada the summer range extends from southeastern Yukon to Nova Scotia. In the United States the range extends from northern Minnesota to northern Pennsylvania, east to Long Island, New York. It also nests in the high Appalachians as far south as Georgia.[11] In winter the Canada warbler's range extends from Guyana to northwestern Bolivia around the northern and western side of the Andean crest.[12]

In both summer and winter seasons the Canada warbler inhabits moist thickets. During the breeding season the bird "nests in riparian thickets, brushy ravines, forest bogs, etc. at a wide range of elevations and across a variety of forest types. In the northwestern parts of its range it frequents aspen forests; in the center of the range, it is found in forested wetlands and swamps; and in the south it occupies montane rhododendron thickets.[12]" In the winter it prefers mid- and upper-elevation habitats.[12] In northern Minnesota a study found that Canada warblers inhabited the shrub-forest edge, rather than marture forests or open fields with shrub.[13] In New England the Canada warbler was found to be "disturbance specialists" moving into patches of forests recovering from wind throw or timber removal.[14] Because of its preference for low-height foraging in deciduous forests, it may be bounded at higher elevations as suitable habitat disappears and suffer competition from the black-throated blue warbler which prefers similar habitats.[15]

Two accidentals have been observed in Europe. The first a moribund male caught in Sandgerði, Iceland on September 29, 1973. The second was a first winter, probably female observed for five days in October 2006 in County Clare, Ireland.[16]

Migration

The Canada warbler is one of the last birds to arrive at the breeding grounds and one of the first to leave. They may spend only two months there. They fly at night along a route generally south and west to the Texas coast, then to southern Mexico. The arrive at the winter grounds in northwestern South America in late September to early October.[12]
Behavior and ecology
Breeding

At least 60–65% of the population nests in boreal forests in Canada, the Great Lakes region of the United States, New England and through the Appalachians.[12] The birds are at least seasonally monogamous. Sightings of pairs during migration in Panama have led to the conclusion that they are permanently monogamous.[17][7] This conclusion, however, is contradicted by the sexes' wintering at different elevations.[12]

Males arrive at the breeding grounds in the first two weeks of May.[11] Females build the nests on or very close to the ground in dense cover. The nests are made up of root masses, hummocks, stumps, stream banks, mossy logs, and sometimes leaf litter and grass clumps. Moss covering is frequent.[12]

The female lays four to five eggs and incubates for about 12 days. The chicks remain in the nest for about 10 days after hatching and are dependent on their parents for two to three weeks after they leave the nest.[18]

The age at which the young leave the nest is not known. Once independent they spend almost all their time in the understory, on the ground or in bushes.[11] The post-juvenile bird undergoes a partial moult involving all body feathres and wing coverlets. This may be completed before the first migration.[19]

The oldest known specimen was a male found in Quebec in 1982 at least 8 years old, having been banded in 1975.[20]
Food and feeding

The Canada warbler eats insects for the most part, including beetles, mosquitoes, flies, moths, and smooth caterpillars such as cankerworms, supplemented by spiders, snails, worms, and, at least seasonally, fruit.[12][11] It employs several foraging tactics, such as flushing insects from foliage and catching them on the wing (which it does more frequently than other warblers),[12] and searching upon the ground among fallen leaves.[11] When they occasionally hover glean, males tend to fly higher than females on breeding grounds.[12] In the tropics of South America, it forages in mixed flocks with other birds, usually 3–30 feet above ground in denser foliage.[11]
Diseases and parasites

In the summer of 1947 a single specimen of Canada warbler from Virginia (and one specimen of another warbler from Georgia) were found to be hosts of a new species of acanthocephalan worm, which was named Apororhynchus amphistomi, the third species of that genus and the first in North America.[21] In the southern part of the breeding range, nest parasitism by cowbirds is frequent.[12]
Status

Partners in Flight estimates a global population of 4 million,[22] while the American Bird Conservancy estimates that 1.5 million individuals exist.[23]

Threats to the Canada warbler include forest fragmentation; over-browsing of the understory by deer, acid rain, and the spread of the woolly adelgid (a killer of fir and hemlock trees).[23] Owing to these factors the Breeding Bird Survey data show a population decline of 3.2 percent per year throughout the Canada warbler's breeding range, with the greatest declines in the Northeast.[24][23] The species has been assessed as "threatened" by the Committee on the Status of Endangered Wildlife in Canada.[25] The IUCN, however, ranks the Canada warbler as a species of least concern.[1]

The Canada warbler is protected at the federal level in both Canada and the United States.[18]
In art

John James Audubon illustrates the Canada warbler in Birds of America (published, London 1827-38) as Plate 73 entitled "Bonaparte's Flycatching-Warbler—Muscicapa bonapartii." The single female (now properly identified as a Canada warbler) is shown perched in a great magnolia (Magnolia grandiflora) branch that was painted by Joseph Mason. The final, combined image was engraved and colored by Robert Havell Jr. at the Havell workshops in London. The original painting was purchased by the New York Historical Society.
References

BirdLife International. 2016. Cardellina canadensis. The IUCN Red List of Threatened Species 2016: e.T22721882A94737489. https://dx.doi.org/10.2305/IUCN.UK.2016-3.RLTS.T22721882A94737489.en. Downloaded on 09 April 2021.
Brisson, Mathurin Jacques (1760). Ornithologie, ou, Méthode contenant la division des oiseaux en ordres, sections, genres, especes & leurs variétés (in French and Latin). Volume 2. Paris: Jean-Baptiste Bauche. pp. 406–408, Plate 39 fig 4. The two stars (**) at the start of the section indicates that Brisson based his description on the examination of a specimen.
Allen, J.A. (1910). "Collation of Brisson's genera of birds with those of Linnaeus". Bulletin of the American Museum of Natural History. 28: 317–335. hdl:2246/678.
Linnaeus, Carl (1766). Systema naturae : per regna tria natura, secundum classes, ordines, genera, species, cum characteribus, differentiis, synonymis, locis (in Latin). Volume 1, Part 1 (12th ed.). Holmiae (Stockholm): Laurentii Salvii. p. 327.
Bonaparte, Charles Lucien (1850). Conspectus generum avium (in Latin). 1. Lugduni Batavorum [Leiden]: E.J. Brill. p. 312.
Gill, Frank; Donsker, David, eds. (2018). "New World warblers, mitrospingid tanagers". World Bird List Version 8.1. International Ornithologists' Union. Retrieved 1 May 2018.
"Canada Warbler—Life History". Cornell Lab of Ornithology. Retrieved December 15, 2016.
"Canada Warbler—Identification". Cornell Lab of Ornithology. Retrieved December 15, 2016.
Demko, Alana D.; Reitsma, Leonard R.; Staicer, Cynthia A. (October 2013). "Two song categories in the Canada Warbler (Cardellina canadensis)". The Auk. 130 (4): 609–16. doi:10.1525/auk.2013.13059. JSTOR 10.1525/auk.2013.13059. S2CID 83993091. Retrieved 28 April 2019.
Etterson, Matthew A. (2003). "An Observation of Singing by a Female-Plumaged Canada Warbler". Southeastern Naturalist. 2 (2): 419–22. doi:10.1656/1528-7092(2003)002[0419:aoosba]2.0.co;2. JSTOR 3878011.
"Canada Warbler". Audubon Guide to North American Birds. 13 November 2014. Retrieved December 15, 2016.
"Canada warbler". Boreal Songbird Initiative. 25 February 2014. Retrieved December 15, 2016.
Collins, Scott L.; James, Frances C.; Risser, Paul G. (1982). "Habitat Relationships of Wood Warblers Parulidae in Northern Central Minnesota". Oikos. 39 (1): 50–58. doi:10.2307/3544530. JSTOR 3544530. Retrieved December 18, 2016.
Chace, Jameson F.; Faccio, Steven D.; Chacko, Abraham (2009). "Canada Warbler Habitat Use of Northern Hardwoods in Vermont". Northeastern Naturalist. 16 (4): 491–500. doi:10.1656/045.016.n401. JSTOR 27744588. S2CID 86430663.
Sabo, Stephen R. (June 1980). "Niche and Habitat Relations in Subalpine Bird Communities of the White Mountains of New Hampshire". Ecological Monographs. 50 (2): 241–59. doi:10.2307/1942481. JSTOR 1942481.
Hanafin, Maurice (2006). "The Canada Warbler in County Clare—The Second for Western Palearctic" (PDF). Birding World. 19 (10): 429–34. Retrieved December 17, 2016.
Greenberg, Russell S.; Gradwohl, Judy A. (October 1980). "Observations of Paired Canada Warblers Wilsonia canadensis during Migration in Panama". Ibis. 122 (4): 509–12. doi:10.1111/j.1474-919X.1980.tb00907.x.
"Species Profile: Canada Warbler". Species at Risk Public Registry. Government of Canada. May 29, 2014. Archived from the original on September 9, 2014. Retrieved June 5, 2014.
Hanafin 2006, p. 434.
USGS Patuxent Wildlife Research Center (2016). "Longevity Records of North American Birds". U.S. Geological Survey. Department of the Interior. Retrieved December 16, 2016.
Byrd, Elon E.; Denton, Fred (August 1949). "The Helminth Parasites of Birds. II. A New Species of Acanthocephala from North American Birds". The Journal of Parasitology. 35 (4): 391–410. doi:10.2307/3273430. JSTOR 3273430. PMID 18133320.
"Species Assessment Database". Partners in Flight. Archived from the original on August 21, 2016. Retrieved December 15, 2016.
"Canada Warbler". American Bird Conservancy. Retrieved December 15, 2016.
USGS Paxtuxent Wildlife Research Center (2016). "Canada Warbler, Cardellina canadensis: North American Breeding Bird Survey Trend Results". U.S. Geological Survey. Department of Interior. Retrieved December 16, 2016.

"Warbler, Canada". Committee on the Status of Endangered Wildlife in Canada (COSEWIC). Government of Canada. November 11, 2011. Archived from the original on 2014-06-06. Retrieved June 5, 2014.

General sources

Bent, Arthur Cleveland (1953). "Canada Warbler". Life Histories of North American Wood Warblers: Order Passeriformes. Washington, D.C.: U.S. Government Printing Office. pp. 646–56. LCCN 53061305. Hosted online by HathiTrust.
Conway, Courtney J. (1999). Canada Warbler (Wilsonia canadensis). The Birds of North America: Life Histories for the 21st Century (A. Poole, P. Stettenheim, and F. Gill, series editors). 421. Washington, D.C.: American Ornithologists' Union.
Dunn, Jon J.; Garrett, Kimball L. (1997). A Field Guide to Warblers of North America. Boston: Houghton Mifflin Co. ISBN 978-0395389713.

Further reading
Barrowclough, GF; Corbin, KW (1978). "Genetic Variation and Differentiation in the Parulidae". Auk. 95 (4): 691–702.
Caroline, G; Marcel, D; Jean-Pierre, LS; Jean, H (2004). "Are temperate mixedwood forests perceived by birds as a distinct forest type?". Canadian Journal of Forest Research. 34 (9): 1895. doi:10.1139/x04-087.
Christian, DP; Hanowski, JM; Reuvers-House, M; Niemi, GJ; Blake, JG; Berguson, WE (1996). "Effects of mechanical strip thinning of aspen on small mammals and breeding birds in northern Minnesota, U.S.A". Canadian Journal of Forest Research. 26 (7): 1284–1294. doi:10.1139/x26-143.
Crawford, HS; Jennings, DT (1989). "Predation by Birds on Spruce Budworm Choristoneura-Fumiferana Functional Numerical and Total Responses". Ecology. 70 (1): 152–163. doi:10.2307/1938422. JSTOR 1938422.
Dunn, EH; Nol, E (1980). "Age Related Migratory Behavior of Warblers". Journal of Field Ornithology. 51 (3): 254–269.
Golet, FC; Wang, Y; Merrow, JS; DeRagon, WR (2001). "Relationship between habitat and landscape features and the avian community of red maple swamps in southern Rhode Island". Wilson Bulletin. 113 (2): 217–227. doi:10.1676/0043-5643(2001)113[0217:rbhalf]2.0.co;2.
Hobson, KA; Bayne, E (2000). "The effects of stand age on avian communities in aspen-dominated forests of central Saskatchewan, Canada". Forest Ecology & Management. 136 (1–3): 121–134. CiteSeerX 10.1.1.532.1080. doi:10.1016/s0378-1127(99)00287-x.
Hobson, KA; Schieck, J (1999). "Changes in bird communities in boreal mixedwood forest: Harvest and wildfire effects over 30 years". Ecological Applications. 9 (3): 849–863. doi:10.1890/1051-0761(1999)009[0849:cibcib]2.0.co;2. S2CID 28285190.
Jones, SE (1977). "Coexistence in Mixed Species Antwren Flocks". Oikos. 29 (2): 366–375. doi:10.2307/3543628. JSTOR 3543628.
Lacki, MJ (2000). "Surveys of bird communities on Little Black and Black mountains: Implications for long-term conservation of Montane birds in Kentucky". Journal of the Kentucky Academy of Science. 61 (1): 50–59.
Lebbin, DJ (2004). "Unusual June record of Canada Warbler (Wilsonia canadensis) in Bolivar, Venezuela". Ornitologia Neotropical. 15 (1): 143–144.
Merrill, SB; Cuthbert, FJ; Oehlert, G (1998). "Residual patches and their contribution to forest-bird diversity on northern Minnesota aspen clearcuts". Conservation Biology. 12 (1): 190–199. doi:10.1111/j.1523-1739.1998.96067.x.
Mitchell, JM (1999). "Habitat relationships of five northern bird species breeding in hemlock ravines in Ohio, USA". Natural Areas Journal. 19 (1): 3–11.
Morris, SR; Richmond, ME; Holmes, DW (1994). "Patterns of stopover by warblers during spring and fall migration on Appledore Island, Maine". Wilson Bulletin. 106 (4): 703–718.
Morse, DH (1977). "The Occupation of Small Islands by Passerine Birds". Condor. 79 (4): 399–412. doi:10.2307/1367719. JSTOR 1367719.
Patten, MA; Burger, JC (1998). "Spruce budworm outbreaks and the incidence of vagrancy in eastern North American wood-warblers". Canadian Journal of Zoology. 76 (3): 433–439. doi:10.1139/z97-213.
Prins, TG; Debrot, AO (1996). "First record of the Canada Warbler for Bonaire, Netherlands Antilles". Caribbean Journal of Science. 32 (2): 248–249.
Rappole, JH (1983). "Analysis of Plumage Variation in the Canada Warbler". Journal of Field Ornithology. 54 (2): 152–159.
Robinson, SK; Fitzpatrick, JW; Terborgh, J (1995). "Distribution and habitat use of neotropical migrant landbirds in the Amazon basin and Andes". Bird Conservation International. 5 (2–3): 305–323. doi:10.1017/s0959270900001064.
Sabo, SR; Whittaker, RH (1979). "Bird Niches in a Subalpine Forest an Indirect Ordination". Proceedings of the National Academy of Sciences of the United States of America. 76 (3): 1338–1342. Bibcode:1979PNAS...76.1338S. doi:10.1073/pnas.76.3.1338. PMC 383246. PMID 16592631.
Skinner, C (2003). "A breeding bird survey of the natural areas at Holden Arboretum". Ohio Journal of Science. 103 (4): 98–110.
Sodhi, NS; Paszkowski, CA (1995). "Habitat use and foraging behavior of four parulid warblers in a second-growth forest". Journal of Field Ornithology. 66 (2): 277–288.
Weakland, CA; Wood, PB; Ford, WM (2002). "Responses of songbirds to diameter-limit cutting in the central Appalachians of West Virginia, USA". Forest Ecology and Management. 155 (1–3): 115–129. doi:10.1016/s0378-1127(01)00552-7.

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