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Ecology

Habitat

Habitat and Ecology

Systems
  • Terrestrial
  • Marine
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© International Union for Conservation of Nature and Natural Resources

Source: IUCN

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Molecular Biology and Genetics

Molecular Biology

Barcode data: Calandrella rufescens

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


There are 9 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.

NNNNNNACTAATTTTCGGCGCATGAGCCGGAATGGTAGGCACCGCCCTGAGCCTCCTCATCCGAGCAGAATTAGGCCAACCCGGCGCCCTGCTAGGAGATGATCAAATCTACAACGTAATTGTCACAGCCCACGCTTTTGTGATAATCTTCTTCATAGTTATACCAATCATAATCGGAGGCTTCGGAAACTGACTAGTACCTCTAATAATCGGAGCCCCTGACATAGCATTCCCTCGAATAAACAACATAAGCTTTTGACTACTACCCCCATCATTCCTCCTCCTACTAGCCTCCTCCACAGTCGAAACAGGTGCAGGAACGGGCTGAACCGTGTACCCTCCACTAGCTGGCAACCTAGCCCACGCCGGAGCCTCAGTCGACCTAGCTATTTTCTCACTACACCTAGCAGGTATCTCCTCAATCCTAGGGGCCATCAACTTTATCACCACAGCCATCAACATAAAACCCCCCGCCCTCTCCCAATATCAAACCCCTCTGTTCGTATGATCAGTTCTAATCACCGCCGTACTCCTCCTTCTCTCACTCCCCGTCCTAGCCGCCGGCATCACTATACTACTCACTGACCGCAACCTCAACACCACCTTCTTCGACCCAGCAGGCGGAGGAGACCCAGTACTCTACNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
-- end --

Download FASTA File
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© Barcode of Life Data Systems

Source: Barcode of Life Data Systems (BOLD)

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Statistics of barcoding coverage: Calandrella rufescens

Barcode of Life Data Systems (BOLDS) Stats
Public Records: 9
Specimens with Barcodes: 9
Species With Barcodes: 1
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© Barcode of Life Data Systems

Source: Barcode of Life Data Systems (BOLD)

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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). Despite the fact that the population trend appears to be decreasing, the decline is not believed to be sufficiently rapid to 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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Status in Egypt

Resident breeder and winter visitor.

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© Bibliotheca Alexandrina

Source: Bibliotheca Alexandrina - EOL Ar

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Population

Population
In Europe, the breeding population is estimated to number 1600000-4000000 breeding pairs, equating to 4800000-12000000 individuals (BirdLife International 2004). Europe forms 25-49% of the global range, so a very preliminary estimate of the global population size is 9800000-48000000 individuals, although further validation of this estimate is needed.

Population Trend
Decreasing
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Wikipedia

Lesser Short-toed Lark

The Lesser Short-toed Lark (Calandrella rufescens) is a small passerine bird. It breeds in Spain, north Africa, also including Turkey eastwards across the semi-deserts of central Asia to Mongolia and China.

Many populations, including the Spanish and African breeders, are sedentary, but some Asian birds from the north of the breeding range migrate south in winter. This species is a very rare wanderer to northern and western Europe.

This is a bird of dry open country, preferring even drier and barer soils than Greater Short-toed Lark. It nests on the ground, laying two to three eggs. Its food is seeds and insects, the latter especially in the breeding season.

This is a small pale lark, smaller even than Greater Short-toed Lark. It is dark-streaked greyish-brown above, and white below. It has a pale supercilium, and a short stubby bill.

Care must be taken to distinguish this species from other similar Calandrella larks, such as the Greater Short-toed Lark, Calandrella brachydactyla. This species lacks the dark neck patches of Greater, and has fine streaking across the breast. The bill and head shape also differ. The sexes are similar.

The song is richer, more varied and imitative than that of its relative.

References[edit]

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