Overview

Brief Summary

Biology

The Amur falcon feeds mainly on insects, including locusts, grasshoppers, beetles, and flying termites and ants. Small birds and some amphibians may also be taken. Most hunting takes place in the early morning or late evening, with prey usually caught and eaten in flight, or taken from the ground. The Amur falcon may sometimes hover while searching for prey (2) (5). A social bird, the Amur falcon is usually found in flocks, sometimes numbering into the hundreds or even thousands, and often associates with other small falcon species such as the red-footed falcon (Falco vespertinus) and the lesser kestrel (Falco naumanni) (2) (3) (8). The congregation of thousands of falcons at their communal roosting sites in southern Africa is said to be one of the most spectacular bird of prey phenomena in the world (9). Most nesting, however, is solitary, or in small colonies (2) (3). The nest may be built in a tree hole, or the breeding pair may take over an old nest of a corvid. Three to four eggs are laid (sometimes up to six), usually between May and June, and hatch after an incubation period of around 28 to 30 days. Both the male and female help incubate and feed the chicks, which fledge after about a month. The Amur falcon may reach sexual maturity in its first year (2). As well as being one of the longest, the Amur falcon's annual round-trip of 22,000 kilometres is also the most oceanic migrations of any bird of prey, with over 3,000 kilometres of the outbound journey to Africa taking place over the Indian Ocean (6). The entire population of Amur falcons leaves the breeding area in Asia from late August to September, generally travelling in huge flocks, which may also include other small falcon species. The birds stop off in India and Bangladesh for several weeks to fatten up before attempting the Indian Ocean crossing (2) (3) (6) (10). Interestingly, the return journey from Africa to Asia, which takes place between February and March, is less well understood, and is thought to take place overland via the Arabian Peninsula (6) (10), with the birds arriving back in the breeding grounds in April and early May (2).
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Description

A small, slender bird of prey, with long, pointed wings (5) (6), the Amur falcon is noteworthy for undertaking one of the most arduous annual migrations of any bird of prey (6). The male is a largely dark grey bird, with a chestnut lower belly and thighs, and a white underwing, visible in flight. The dark plumage contrasts with the bright orange-red legs and facial skin, and the orange base to the beak (3) (5). The female is similar in size to the male (3) (5), but differs markedly in plumage, having cream or orange underparts, with dark streaks and bars, grey upperparts with a slaty-coloured head and cream forehead, and bars and spots on the wings and tail, which have broad, dark tips. The cheeks and throat are plain white, and the face bears a dark eye patch and 'moustache'. The juvenile resembles the female, but may be paler, with reddish-brown or buff edges to the feathers. Once considered a subspecies of the red-footed falcon, Falco vespertinus, differences in the plumage, body shape and range of the Amur falcon have led to its classification as a separate species (2) (3) (5).
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Distribution

Range

Steppes of ne Asia; winters from Malawi to South Africa.
  • Clements, J. F., T. S. Schulenberg, M. J. Iliff, D. Roberson, T. A. Fredericks, B. L. Sullivan, and C. L. Wood. 2014. The eBird/Clements checklist of birds of the world: Version 6.9. Downloaded from http://www.birds.cornell.edu/clementschecklist/download/

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Range

The Amur falcon has a wide distribution, breeding across Asia, from eastern Siberia, east through Amurland to Ussuriland, and south through northeast Mongolia and Manchuria, to North Korea and northern and eastern China. The species may also breed in northeast India. The Amur falcon spends the northern winter in the southern Hemisphere, in sub-Saharan Africa, mainly from Malawi to South Africa. During migration, the Amur falcon may pass through parts of India, East Africa and the Arabian Peninsula (2) (3) (5) (7).
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Ecology

Habitat

Habitat and Ecology

Systems
  • Terrestrial
  • Freshwater
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The Amur falcon typically inhabits open woodland, including marshy and riverine woodland, as well as wooded steppe. In winter, it may be found in savanna and grassland, roosting communally in clumps of trees, and may even roost in towns (2) (3) (5) (8).
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Molecular Biology and Genetics

Molecular Biology

Barcode data: Falco amurensis

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


There are 2 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.

TCTATACCTACTCTTCGGATCATGAGCAGGTATAGCTGGCACCGCCCTCAGCCTCCTCATTCGAGCAGAACTTGGCCAACCAGGAACTCTCCTGGGAGACGACCAAATCTACAATGTCATCGTCACCGCCCATGCCTTCGTAATAATCTTTTTCATAGTCATACCCATCATAATCGGAGGATTTGGAAACTGACTAGTCCCCCTTATAATTGGAGCCCCAGACATAGCATTCCCCCGCATAAACAATATAAGCTTCTGACTACTCCCCCCATCCTTCCTATTACTCCTAGCATCCTCAACAGTAGAGGCCGGGGTTGGAACAGGATGAACCGTATACCCTCCCTTAGCAGGCAACCTAGCCCATGCTGGCGCCTCAGTAGACCTAGCCATCTTCTCTTTACACCTCGCAGGTGTATCTTCCATCTTAGGGGCAATCAACTTTATTACAACGGCCATTAACATAAAACCCCCTGCCCTATCACAATACCAAACTCCACTATTCGTATGATCCGTACTTATCACCGCCGTGCTCCTACTACTCTCACTCCCAGTCCTAGCTGCCGGCATCACTATACTATTAACCGACCGAAACCTAAACACCACATTCTTTGACCCCGCTGGAGGGGGAGACCCCATTCTCTACCAACACCTATTCTGATTCTTCGGCCACCCAGAAGTTTACATCCTAATTCTC
-- end --

Download FASTA File

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Statistics of barcoding coverage: Falco amurensis

Barcode of Life Data Systems (BOLDS) Stats
Public Records: 2
Specimens with Barcodes: 4
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 stable, 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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Status

Classified as Least Concern (LC) on the IUCN Red List (1) and listed on Appendix II of CITES (4).
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Population

Population
The global population is estimated to number > c.1,000,000 individuals (Ferguson-Lees et al. 2001), while national population estimates include: c.100-10,000 breeding pairs and c.50-1,000 individuals on migration in China; c.100-10,000 breeding pairs and < c.50 individuals on migration in Korea; < c.50 individuals on migration in Japan and c.100-10,000 breeding pairs and c.50-1,000 individuals on migration in Russia (Brazil 2009).

Population Trend
Stable
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Threats

The Amur falcon still has a wide distribution and a large global population, which is believed to be stable (7). There are no specific threats reported for this species, which can still be seen in large flocks, sometimes numbering as many as 5,000 birds (2). However, the grassland areas the Amur falcon inhabits in its wintering quarters in southern Africa are under intense pressure from agriculture and commercial afforestation (8), which could bring the species under increasing pressure across its non-breeding range.
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Management

Conservation

A number of conservation measures are currently in place for the Amur falcon. As well as being listed on Appendix II of the Convention on International Trade in Endangered Species (CITES), meaning that international trade in the Amur falcon should be carefully regulated (4), the species is on Appendix II of the Convention on Migratory Species (CMS), which aims to conserve migratory species throughout their range (11). The Amur falcon, along with other birds of prey, is also listed under Class B of the African Convention on the Conservation of Nature and Natural Resources, meaning that, within its African range, it can only be legally killed or captured with special authorisation (12). The congregation of thousands of Amur falcons at their winter roosting sites gives the perfect opportunity to census the species' global population, allowing population numbers and trends to be quantified, and any potential conservation threats to be identified and addressed (2) (9). The Migrating Kestrel Project, co-ordinated by the Birds of Prey Working Group of the Endangered Wildlife Trust, South Africa, was initiated in 1994 for this purpose, and continues to date (9).
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