Egretta ardesiaca

Taxonomy

Assessment Information

Geographic Range

Habitat and Ecology

Taxonomy [top]

Kingdom	Phylum	Class	Order	Family
ANIMALIA	CHORDATA	AVES	Ciconiiformes	Ardeidae

Scientific Name:

Egretta ardesiaca

Species Authority:

(Wagler, 1827)

Common Name/s:

English	–	Black Heron, Black Egret
French	–	Aigrette Ardoisée

Assessment Information [top]

Red List Category & Criteria:

Least Concern ver 3.1

Year Assessed:

2008

Assessor/s

BirdLife International

Evaluator/s:

Bird, J. & Butchart, S. (BirdLife International Red List Authority)

History:

2004	–	Least Concern (BirdLife International 2004)
2000	–	Lower Risk/least concern (BirdLife International 2000)
1994	–	Lower Risk/least concern (Collar et al. 1994)
1988	–	Lower Risk/least concern (Collar and Andrew 1988)

Geographic Range [top]

Range Description:	This species has a large range, with an estimated global Extent of Occurrence of 11,000,000 km². It has a large global population estimated to be 10,000-100,000 individuals (Wetlands International 2002). Global population trends have not been quantified, but the species is not believed to approach the thresholds for the population decline criterion of the IUCN Red List (i.e. declining more than 30% in ten years or three generations). For these reasons, the species is evaluated as Least Concern.
Countries:	Native: Angola; Benin; Botswana; Burundi; Cameroon; Chad; Congo, The Democratic Republic of the; Côte d'Ivoire; Ethiopia; Gambia; Ghana; Guinea; Guinea-Bissau; Kenya; Liberia; Madagascar; Malawi; Mali; Mauritania; Mozambique; Namibia; Niger; Nigeria; Senegal; Sierra Leone; Somalia; South Africa; Sudan; Tanzania, United Republic of; Togo; Uganda; Zambia; Zimbabwe Vagrant: Burkina Faso; Cape Verde; Gabon; Israel; Oman; Rwanda; Sao Tomé and Principe; Swaziland; Yemen

Range Description:

This species has a large range, with an estimated global Extent of Occurrence of 11,000,000 km². It has a large global population estimated to be 10,000-100,000 individuals (Wetlands International 2002). Global population trends have not been quantified, but the species is not believed to approach the thresholds for the population decline criterion of the IUCN Red List (i.e. declining more than 30% in ten years or three generations). For these reasons, the species is evaluated as Least Concern.

Countries:

Native:

Angola; Benin; Botswana; Burundi; Cameroon; Chad; Congo, The Democratic Republic of the; Côte d'Ivoire; Ethiopia; Gambia; Ghana; Guinea; Guinea-Bissau; Kenya; Liberia; Madagascar; Malawi; Mali; Mauritania; Mozambique; Namibia; Niger; Nigeria; Senegal; Sierra Leone; Somalia; South Africa; Sudan; Tanzania, United Republic of; Togo; Uganda; Zambia; Zimbabwe

Vagrant:

Burkina Faso; Cape Verde; Gabon; Israel; Oman; Rwanda; Sao Tomé and Principe; Swaziland; Yemen

Habitat and Ecology [top]

Systems:	Terrestrial

Systems:

Terrestrial

Citation:	BirdLife International 2008. Egretta ardesiaca. In: IUCN 2008. 2008 IUCN Red List of Threatened Species. <www.iucnredlist.org>. Downloaded on 08 January 2009.
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