New World sparrow

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New World sparrow
White-crowned-Sparrow.jpg
White-crowned sparrow
Zonotrichia leucophrys
Scientific classification e
Kingdom: Animalia
Phylum: Chordata
Class: Aves
Order: Passeriformes
Superfamily: Emberizoidea
Family: Passerellidae
Cabanis, 1851
Genera

See text

New World sparrows are a group of mainly New World passerine birds, forming the family Passerellidae. They are seed-eating birds with conical bills, brown or gray in color, and many species have distinctive head patterns.

Although they share the name sparrow, New World sparrows are more closely related to Old World buntings than they are to the Old World sparrows (family Passeridae).[1][2] New World sparrows are also similar in both appearance and habit to finches, with which they sometimes used to be classified.

Taxonomy[]

The genera now assigned to the family Passerellidae were previously included with the buntings in the family Emberizidae. A phylogenetic analysis of nuclear and mitochondrial DNA sequences published in 2015 found that the Passerellidae formed a monophyletic group that had an uncertain relationship to the Emberizidae.[3] Emberizidae was therefore split and the family Passerellidae resurrected.[4][5] It had originally been introduced, as the subfamily Passerellinae, by the German ornithologist Jean Cabanis in 1851.[6]

The International Ornithological Congress (IOC) recognizes 138 species in the family, distributed among these 30 genera. For more detail, see list of New World sparrow species.[7]

Passerellidae

Below is a phylogeny based on a 2016 study by Bryson and colleagues.[8][a]

Passerellidae

Spizella

Amphispiza

Calamospiza

Chondestes

Chlorospingus

Arremonops

Rhynchospiza

Peucaea

Ammodramus

Arremon

Junco

Zonotrichia

Passerella

Spizelloides

Melozone

Aimophila

Pezopetes

Atlapetes

Pipilo

Artemisiospiza

Pooecetes

Oriturus

Ammospiza

Melospiza

Passerculus

Morphology[]

Being a member of Emberizoidea, New World sparrows have only nine easily visible primary feathers on each wing (they also have a 10th primary, but it is greatly reduced and largely concealed).[9] Despite their name, not all of the New World sparrows resemble the typical image of a sparrow. Species in the neotropics tend to be much larger with bold patterns of greens, reds, yellows, and grays. Those in the Nearctic realm are smaller, with brown bodies streaked and with some head patterns.[10] Some even have sexual dimorphism such as the lark bunting and eastern towhee.

Habitat and distribution[]

The New World sparrows are found throughout in the Americas, from their breeding ranges in the Arctic tundra of North America to their year-round ranges in the Southern Cone of South America. Given this huge expansive range, many species occupy different habitats such as grasslands, rainforests, temperate forests, and deserts and xeric shrublands.[10] Those that breed in the northern parts of North America, such as the white-throated sparrow and Lincoln's sparrow, migrate further southward into the continent during the winter, while others like the dark-eyed junco have been able to adapt to staying all year-round in some areas of North America. Most North American passerellid species usually migrate short distances. Some of the Southern Cone species move northward during autumn.[10] In the breeding season, sparrows of different species form small-to-medium flocks, as they do when foraging in the non-breeding season.

Notes[]

  1. ^ Species in three monotypic genera were not sampled in the study: the Sierra Madre sparrow (Xenospiza baileyi), the Zapata sparrow (Torreornis inexpectata) and the tanager finch (Oreothraupis arremonops)[8]

References[]

  1. ^ Allende, Luis M.; Rubio, Isabel; Ruíz-del-Valle, Valentin; Guillén, Jesus; Martínez-Laso, Jorge; Lowy, Ernesto; Varela, Pilar; Zamora, Jorge; Arnaiz-Villena, Antonio (2001). "The Old World sparrows (genus Passer) phylogeography and their relative abundance of nuclear mtDNA pseudogenes" (PDF). Journal of Molecular Evolution. 53 (2): 144–154. Bibcode:2001JMolE..53..144A. CiteSeerX 10.1.1.520.4878. doi:10.1007/s002390010202. PMID 11479685. Archived from the original (PDF) on 21 July 2011.
  2. ^ Arnaiz-Villena, A; Gómez-Prieto P; Ruiz-de-Valle V (2009). "Phylogeography of finches and sparrows". Animal Genetics. Nova Science Publishers. ISBN 978-1-60741-844-3. Archived from the original on 2012-09-02. Retrieved 2014-12-05.
  3. ^ Barker, F.K.; Burns, K.J.; Klicka, J.; Lanyon, S.M.; Lovette, I.J. (2015). "New insights into New World biogeography: An integrated view from the phylogeny of blackbirds, cardinals, sparrows, tanagers, warblers, and allies". Auk. 132 (2): 333–348. doi:10.1642/AUK-14-110.1.
  4. ^ Gill, Frank; Donsker, David; Rasmussen, Pamela, eds. (2020). "New World Sparrows, Bush Tanagers". IOC World Bird List Version 10.1. International Ornithologists' Union. Retrieved 29 May 2020.
  5. ^ Chesser, R. Terry; Burns, Kevin J.; Cicero, Carla; Dunn, John L.; Kratter, Andrew W; Lovette, Irby J; Rasmussen, Pamela C.; Remsen, J.V. Jr; Rising, James D.; Stotz, Douglas F.; Winker, Kevin (2017). "Fifty-eighth supplement to the American Ornithological Society's Check-list of North American Birds". Auk. 134 (3): 751–773. doi:10.1642/AUK-17-72.1.
  6. ^ Cabanis, Jean (1850–1851). Museum Heineanum : Verzeichniss der ornithologischen Sammlung des Oberamtmann Ferdinand Heine, auf Gut St. Burchard vor Halberstadt (in German and Latin). Volume 1. Halberstadt: R. Frantz. p. 131. |volume= has extra text (help)
  7. ^ Gill, F.; Donsker, D.; Rasmussen, P. (July 2021). "IOC World Bird List (v 12.1)". doi:10.14344/IOC.ML.11.2. Retrieved January 15, 2022.
  8. ^ a b Bryson, R.W.; Faircloth, B.C.; Tsai, W.L.E.; McCormack, J.E.; Klicka, J. (2016). "Target enrichment of thousands of ultraconserved elements sheds new light on early relationships within New World sparrows (Aves: Passerellidae)". The Auk. 133 (3): 451–458. doi:10.1642/AUK-16-26.1.
  9. ^ Hall, K.S.S. (2005). "Do nine-primaried passerines have nine or ten primary feathers? The evolution of a concept". Journal of Ornithology. 146 (2): 121–126. doi:10.1007/s10336-004-0070-5.
  10. ^ a b c Dunne, P.; Karlson, K. T. (2021). Bird Families of North America. Houghton Mifflin Harcourt.

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