Circus aeruginosus

Taxonomy

Assessment Information

Geographic Range

Population

Habitat and Ecology

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Taxonomy [top]

Kingdom	Phylum	Class	Order	Family
ANIMALIA	CHORDATA	AVES	FALCONIFORMES	ACCIPITRIDAE

Scientific Name:

Circus aeruginosus

Species Authority:

(Linnaeus, 1758)

Common Name/s:

English	–	Eurasian Marsh Harrier, Marsh Harrier, Western Marsh-harrier, Western Marsh Harrier, Western Marsh-Harrier
French	–	Busard des roseaux

Assessment Information [top]

Red List Category & Criteria:

Least Concern ver 3.1

Year Published:

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 very 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.

History:

2009	–	Least Concern
2008	–	Least Concern
2004	–	Least Concern

Geographic Range [top]

Countries:	Native: Afghanistan; Albania; Angola (Angola); Armenia (Armenia); Austria; Azerbaijan; Bahrain; Bangladesh; Belarus; Belgium; Benin; Bosnia and Herzegovina; Bulgaria; Burkina Faso; Burundi; Cameroon; Cape Verde; Central African Republic; Chad; China; Congo, The Democratic Republic of the; Côte d'Ivoire; Croatia; Cyprus; Czech Republic; Denmark; Djibouti; Egypt; Eritrea; Estonia; Ethiopia; Finland; France; Gabon; Gambia; Georgia; Germany; Ghana; Gibraltar; Greece; Guinea; Guinea-Bissau; Hungary; India; Iran, Islamic Republic of; Iraq; Israel; Italy; Jordan; Kazakhstan; Kenya; Kuwait; Kyrgyzstan; Latvia; Lebanon; Liberia; Libya; Liechtenstein; Lithuania; Luxembourg; Macedonia, the former Yugoslav Republic of; Malawi; Maldives; Mali; Malta; Mauritania; Moldova; Mongolia; Montenegro; Morocco; Mozambique; Myanmar; Nepal; Netherlands; Niger; Nigeria; Norway; Oman; Pakistan; Palestinian Territory, Occupied; Poland; Portugal; Qatar; Romania; Russian Federation; Russian Federation; Russian Federation; Rwanda; Saudi Arabia; Senegal; Serbia (Serbia); Sierra Leone; Singapore; Slovakia; Slovenia; Somalia; South Africa; South Sudan; Spain (Canary Is.); Spain (Canary Is.); Sri Lanka; Sudan; Sweden; Switzerland; Syrian Arab Republic; Tajikistan; Tanzania, United Republic of; Togo; Tunisia; Turkey; Turkmenistan; Uganda; Ukraine; United Arab Emirates; United Kingdom; Uzbekistan; Western Sahara; Yemen; Zambia; Zimbabwe Regionally extinct: Ireland Vagrant: Algeria; Andorra; Bhutan; Congo; Faroe Islands; Guadeloupe; Iceland; Indonesia; Malaysia; Mauritius; Seychelles; Thailand
Range Map:	Click here to open the map viewer and explore range.

Countries:

Native:

Afghanistan; Albania; Angola (Angola); Armenia (Armenia); Austria; Azerbaijan; Bahrain; Bangladesh; Belarus; Belgium; Benin; Bosnia and Herzegovina; Bulgaria; Burkina Faso; Burundi; Cameroon; Cape Verde; Central African Republic; Chad; China; Congo, The Democratic Republic of the; Côte d'Ivoire; Croatia; Cyprus; Czech Republic; Denmark; Djibouti; Egypt; Eritrea; Estonia; Ethiopia; Finland; France; Gabon; Gambia; Georgia; Germany; Ghana; Gibraltar; Greece; Guinea; Guinea-Bissau; Hungary; India; Iran, Islamic Republic of; Iraq; Israel; Italy; Jordan; Kazakhstan; Kenya; Kuwait; Kyrgyzstan; Latvia; Lebanon; Liberia; Libya; Liechtenstein; Lithuania; Luxembourg; Macedonia, the former Yugoslav Republic of; Malawi; Maldives; Mali; Malta; Mauritania; Moldova; Mongolia; Montenegro; Morocco; Mozambique; Myanmar; Nepal; Netherlands; Niger; Nigeria; Norway; Oman; Pakistan; Palestinian Territory, Occupied; Poland; Portugal; Qatar; Romania; Russian Federation; Russian Federation; Russian Federation; Rwanda; Saudi Arabia; Senegal; Serbia (Serbia); Sierra Leone; Singapore; Slovakia; Slovenia; Somalia; South Africa; South Sudan; Spain (Canary Is.); Spain (Canary Is.); Sri Lanka; Sudan; Sweden; Switzerland; Syrian Arab Republic; Tajikistan; Tanzania, United Republic of; Togo; Tunisia; Turkey; Turkmenistan; Uganda; Ukraine; United Arab Emirates; United Kingdom; Uzbekistan; Western Sahara; Yemen; Zambia; Zimbabwe

Regionally extinct:

Ireland

Vagrant:

Algeria; Andorra; Bhutan; Congo; Faroe Islands; Guadeloupe; Iceland; Indonesia; Malaysia; Mauritius; Seychelles; Thailand

Range Map:

Click here to open the map viewer and explore range.

Population [top]

Population:	In Europe, the breeding population is estimated to number 93,000-140,000 breeding pairs, equating to 279,000-420,000 individuals (BirdLife International 2004). Europe forms 25-49% of the global range, so a very preliminary estimate of the global population size is 0.5-2 million individuals, although further validation of this estimate is needed.
Population Trend:	Increasing

Habitat and Ecology [top]

Systems:	Terrestrial; Freshwater; Marine

Systems:

Terrestrial; Freshwater; Marine

Citation:	BirdLife International 2012. Circus aeruginosus. In: IUCN 2012. IUCN Red List of Threatened Species. Version 2012.2. <www.iucnredlist.org>. Downloaded on 19 June 2013.
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