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Passer

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This article is about the sparrow genus. For other uses, see Passer (disambiguation).

Passer
Male cape sparrows in Namibia
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Aves
Order: Passeriformes
Family: Passeridae
Genus: Passer
Brisson, 1760
Species

See text.

Synonyms

Pyrgita Cuvier, 1817
Corospiza Bonaparte, 1850
Auripasser Bonaparte, 1851
Sorella Hartlaub, 1880
Ammopasser Zarudny, 1880

Passer is a genus of sparrows, also known as the true sparrows. The genus includes the house sparrow and the Eurasian tree sparrow, some of the most common birds in the world. They are small birds with thick bills for eating seeds, and are mostly coloured grey or brown. Native to the Old World, some species have been introduced throughout the world.

Etymology

The genus name Passer is the Latin for sparrow.[1]

Taxonomy

A mixed group of Passer sparrows containing a Eurasian tree sparrow, a male house sparrow, and female house or Spanish sparrows, feeding on grain in the town of Baikonur, Kazakhstan

Studies by Arnaiz-Villena et al. have examined the evolutionary relationships of the genus Passer with other members of the family Passeridae, and of members of the genus in relation to each other. According to a study by Arnaiz Villena et al. published in 2001, the genus originated in Africa and the Cape sparrow is the most basal lineage. The particular lineages within the genus, such as the house sparrow and other Palaearctic black-bibbed sparrows, likely originate from radiations from southern and western Africa.[2][3]

Species

A northern grey-headed sparrow in Rwanda

These are the species recognised by the Handbook of the Birds of the World,[4] except for the Abd al-Kuri sparrow, the split of which from the Socotra sparrow was recognised by BirdLife International in 2010.[5] Besides these living species, there are questionable fossils from as long ago as the Early Miocene,[6] and Passer predomesticus is from the Middle Pleistocene.

Description

A great sparrow in Marakele National Park, South Africa

These sparrows are plump little brown or greyish birds, often with black, yellow or white markings. Typically 10–20 centimetres (3.9–7.9 in) long, they range in size from the chestnut sparrow (Passer eminibey), at 11.4 centimetres (4.5 in) and 13.4 grams (0.47 oz), to the parrot-billed sparrow (Passer gongonensis), at 18 centimetres (7.1 in) and 42 grams (1.5 oz).[7][8] They have strong, stubby conical beaks with decurved culmens and blunter tips.[9] All species have calls similar to the house sparrow's chirrup or tschilp call, and some, though not the house sparrow, have elaborate songs.

Distribution

A flock of Sudan golden sparrows near the Red Sea in Sudan

Most of its members are found naturally in open habitats in the warmer climates of Africa and southern Eurasia. Evolutionary studies suggest the genus originated in Africa.[2] Several species have adapted to human habitation, and this has enabled the house sparrow in particular, in close association with humans, to extend its Eurasian range well beyond what was probably its original home in the Middle East.[10] Apart from this natural colonisation, the house sparrow has been introduced to many parts of the world outside its natural range, including the Americas, sub-Saharan Africa, and Australia. The Eurasian tree sparrow has also been artificially introduced on a smaller scale, with populations in Australia and locally in Missouri and Illinois in the United States.[10]

Behaviour

Passer sparrows build an untidy nest, which, depending on species and nest site availability, may be in a bush or tree, a natural hole in a tree, in a building or in thatch, or in the fabric of the nest of species such as the white stork. The clutch of up to eight eggs is incubated by both parents typically for 12–14 days, with another 14–24 more days to fledging.

Passer sparrows are primarily ground-feeding seed-eaters, though they also consume small insects especially when breeding. A few species, like the house sparrow and northern grey-headed sparrow scavenge for food around cities, and are almost omnivorous.[11] Most Passer species are gregarious and will form substantial flocks.[7]

References

  1. ^ Jobling, James A. (2010). The Helm Dictionary of Scientific Bird Names. London, United Kingdom: Christopher Helm. p. 294. ISBN 978-1-4081-2501-4.
  2. ^ a b Allende, Luise M.; Rubio, Isabel; Ruiz 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. doi:10.1007/s002390010202. PMID 11479685. Archived from the original (PDF) on 21 July 2011.
  3. ^ Arnaiz-Villena, A; Gómez-Prieto P; Ruiz-de-Valle V (2009). "Phylogeography of finches and sparrows". Nova Science Publishers. ISBN 978-1-60741-844-3.
  4. ^ Summers-Smith, J. Denis (2009). "Family Passeridae (Old World Sparrows)". Handbook of the Birds of the World. Volume 14: Bush-shrikes to Old World Sparrows. Barcelona: Lynx Edicions. ISBN 978-84-96553-50-7. {{cite book}}: Unknown parameter |editors= ignored (|editor= suggested) (help)
  5. ^ BirdLife International (2010). "Species factsheet: Passer hemileucus". Retrieved 24 June 2010.
  6. ^ Mlíkovský 2002, p. 247
  7. ^ a b Clement, Harris & Davis 1993, p. 442
  8. ^ Bledsoe, A. H.; Payne, R. B. (1991). Forshaw, Joseph (ed.). Encyclopaedia of Animals: Birds. London: Merehurst Press. p. 222. ISBN 1-85391-186-0.
  9. ^ Groschupf, Kathleen (2001). "Old World Sparrows". The Sibley Guide to Bird Life and Behaviour. London: Christopher Helm. pp. 562–564. ISBN 0-7136-6250-6. {{cite book}}: Unknown parameter |editors= ignored (|editor= suggested) (help)
  10. ^ a b Summers-Smith, J. D. (1990). "Changes in distribution and habitat utilisation by members of the genus Passer". Granivorous birds in the agricultural landscape. Warszawa: Pánstwowe Wydawnictom Naukowe. pp. 11–29. ISBN 83-01-08460-X. {{cite book}}: Unknown parameter |editors= ignored (|editor= suggested) (help)
  11. ^ Summers-Smith 1988, pp. 253–255
Works cited

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