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Ecology

Habitat

Habitat and Ecology

Systems
  • Terrestrial
  • Freshwater
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Molecular Biology and Genetics

Molecular Biology

Barcode data: Vanellus chilensis

The following is a representative barcode sequence, the centroid of all available sequences for this species.


There are 8 barcode sequences available from BOLD and GenBank.  Below is a sequence of the barcode region Cytochrome oxidase subunit 1 (COI or COX1) from a member of the species.  See the BOLD taxonomy browser for more complete information about this specimen and other sequences.

NNNNNNNNNNNNNNNNNNNGCATGAGCAGGTATAGTCGGTACTGCCCTCAGCCTTCTCATCCGCGCAGAACTAGGCCAACCAGGAACTCTACTAGGCGACGACCAAATCTACAACGTAATCGTCACCGCCCATGCCTTCGTAATAATCTTCTTCATGGTAATGCCAATTATAATCGGTGGCTTCGGCAACTGACTAGTCCCACTCATAATCGGCGCACCTGACATAGCATTCCCCCGCATAAACAACATAAGCTTCTGACTACTACCCCCCTCGTTCCTACTACTACTTGCCTCTTCTACAGTAGAAGCAGGAGCAGGCACAGGATGAACTGTCTACCCACCCCTAGCTGGTAACCTGGCCCACGCTGGAGCTTCAGTAGACTTAGCCATCTTCTCACTCCACTTAGCAGGTGTATCCTCTATCCTAGGCGCAATCAACTTCATCACAACTGCCATCAACATAAAACCCCCCGCCCTCTCACAATACCAAACACCCTTATTTGTATGATCCGTACTTATCACAGCCGTTCTACTACTCCTATCACTCCCAGTTCTCGCCGCGGGCATCACCATGCTACTAACAGACCGAAATCTAAATACCACATTCTTCGACCCTGCTGGAGGAGGTGACCCAGTTTTATACCAACACCTCTTCTGATTCTTCGGCCACCCAGAAGTCTACATCTTAATTTTA
-- end --

Download FASTA File
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Statistics of barcoding coverage: Vanellus chilensis

Barcode of Life Data Systems (BOLDS) Stats
Public Records: 8
Specimens with Barcodes: 22
Species With Barcodes: 1
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Conservation

Conservation Status

IUCN Red List Assessment


Red List Category
LC
Least Concern

Red List Criteria

Version
3.1

Year Assessed
2012

Assessor/s
BirdLife International

Reviewer/s
Butchart, S. & Symes, A.

Contributor/s

Justification
This species has an extremely large range, and hence does not approach the thresholds for Vulnerable under the range size criterion (Extent of Occurrence <20,000 km2 combined with a declining or fluctuating range size, habitat extent/quality, or population size and a small number of locations or severe fragmentation). The population trend appears to be increasing, and hence the species does not approach the thresholds for Vulnerable under the population trend criterion (>30% decline over ten years or three generations). The population size is extremely large, and hence does not approach the thresholds for Vulnerable under the population size criterion (<10,000 mature individuals with a continuing decline estimated to be >10% in ten years or three generations, or with a specified population structure). For these reasons the species is evaluated as Least Concern.
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Population

Population
The population is estimated to number 2,000,000 individuals.

Population Trend
Increasing
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Wikipedia

Southern Lapwing

The Southern Lapwing (Vanellus chilensis) is a wader in the order Charadriiformes. It is a common and widespread resident throughout South America, except in densely forested regions (e.g. most of the Amazon), the higher parts of the Andes and the arid coast of a large part of western South America. This bird is particularly common in the basin of the Rio de la Plata. It has also been spreading through Central America in recent years.

Description[edit]

Southern Lapwing

This lapwing is the only crested wader in South America. It is 32 to 38 centimetres (13 to 15 in) in length and weighs approximately 250 to 425 grams (8.8 to 15.0 oz). The upperparts are mainly brownish grey, with a bronze glossing on the shoulders. The head is particularly striking; mainly grey with a black forehead and throat patch extending onto the black breast. A white border separates the black of the face from the grey of the head and crest. The rest of the underparts are white, and the eye ring, legs and most of the bill are pink. It is equipped with red bony extensions under the wings (spurs), used to intimidate foes and fight birds of prey.

During its slow flapping flight, the Southern Lapwing shows a broad white wing bar separating the grey-brown of the back and wing coverts from the black flight feathers. The rump is white and the tail black. The call is a very loud and harsh keek-keek-keek.

Southern lapwing with youngster under wings
Southern lapwing chick

There are three or four subspecies, differing slightly in head coloration and voice. Vanellus chilensis fretensis from Patagonia is sometimes included in the nominate subspecies V. c. chilensis. The northern subspecies - V. c. cayennensis from north and V. c. lampronotus from south of the Amazon River - are sometimes separated as a distinct species, Vanellus cayennensis. These two subspecies have a browner head - particularly the northernmost birds - and the white face band (broad in the northern and narrow in the southern one) does not reach to the center of the crown. However, birds from the general region of Uruguay apparently intergrade.

In prehistoric times the species seems to have been more widespread. Late Pleistocene lapwing bones from Florida were initially described as Dorypaltus prosphatus but have since been regarded as indistinguishable trom those of the Southern Lapwing of our time, except by being smaller. Though they may not be specifically distinct, the lack of this birds' occurrence out of South America on a regular basis today suggests that they may be better considered a paleosubspecies V. c. prosphatus. This would have disappeared as the last ice age ended, but biogeography suggests that the species must also have occurred in Central America and/or the Caribbean. The entirely extinct prehistoric species V. downsi is closely related to the Southern Lapwing found in California; its remains have been found at the La Brea Tar Pits in Los Angeles. Separated by the Rocky Mountains, V. downsi makes an unlikely ancestor to the Southern Lapwing, but it is certainly possible that it was a northwestern sister species.[3]

Ecology[edit]

Nest of V. c. lampronotus with small clutch

This is a lapwing of lake and river banks or open grassland. It has benefited from the extension of the latter habitat through widespread cattle ranching. It was first recorded on Trinidad in 1961 and Tobago in 1974, and has rapidly increased on both islands. Tends to appear in any area where there are grass spreads, even in urban areas: in Rio de Janeiro, it can be seem even at soccer fields. When nesting in the vicinity of airports, poses a threat to the safety of aerial traffic.[4]

When not breeding, this bird disperses into wetlands and seasonally flooded tropical grassland.

Its food is mainly insects and other small invertebrates, hunted by a run-and-wait technique, mainly at night. This gregarious species often feeds in flocks.

The Southern Lapwing breeds on grassland and sometimes ploughed fields, and has an aerobatic flapping display flight. It lays 2-3 (rarely 4) olive brown eggs in a bare ground scrape. The nest and young are defended noisily and aggressively against all intruders (including humans), by means of threats, vocalizations and low flights.

Footnotes[edit]

  1. ^ BirdLife International (2012). "Vanellus chilensis". IUCN Red List of Threatened Species. Version 2013.2. International Union for Conservation of Nature. Retrieved 26 November 2013. 
  2. ^ Mlíkovský (2011)
  3. ^ Campbell (2002)
  4. ^ Pereira (2008), pg.54

References[edit]

  • Campbell, Kenneth E. Jr. (2002): A new species of Late Pleistocene lapwing from Rancho La Brea, California [English with Spanish abstract]. Condor 104: 170-174. DOI:10.1650/0010-5422(2002)104[0170:ANSOLP]2.0.CO;2 HTML abstract and first page image
  • ffrench, Richard; O'Neill, John Patton & Eckelberry, Don R. (1991): A guide to the birds of Trinidad and Tobago (2nd edition). Comstock Publishing, Ithaca, N.Y.. ISBN 0-8014-9792-2
  • Hayman, Peter; Marchant, John & Prater, Tony (1986): Shorebirds: an identification guide to the waders of the world. Houghton Mifflin, Boston. ISBN 0-395-60237-82
  • Hilty, Steven L. (2003): Birds of Venezuela. Christopher Helm, London. ISBN 0-7136-6418-5
  • Pereira, José Felipe Monteiro (2008): Aves e Pássaros Comuns do Rio de Janeiro, Technical Books, Rio de Janeiro. ISBN 978-85-61368-00-5
  • Mlíkovský, Jiří (26 August 2011). "Nomenclatural and taxonomic status of bird taxa (Aves) described by an ornithological swindler, Josef Prokop Pražák (1870–1904)". Zootaxa (3005): 45–68. 
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