LC
Black Heron Egretta ardesiaca



Taxonomy

Taxonomic source(s)
AERC TAC. 2003. AERC TAC Checklist of bird taxa occurring in Western Palearctic region, 15th Draft. Available at: #http://www.aerc.eu/DOCS/Bird_taxa_of _the_WP15.xls#.
AERC TAC. 2003. AERC TAC Checklist of bird taxa occurring in Western Palearctic region, 15th Draft. Available at: #http://www.aerc.eu/DOCS/Bird_taxa_of _the_WP15.xls#.
del Hoyo, J., Collar, N.J., Christie, D.A., Elliott, A. and Fishpool, L.D.C. 2014. HBW and BirdLife International Illustrated Checklist of the Birds of the World. Lynx Edicions BirdLife International, Barcelona, Spain and Cambridge, UK.
del Hoyo, J.; Collar, N. J.; Christie, D. A.; Elliott, A.; Fishpool, L. D. C. 2014. HBW and BirdLife International Illustrated Checklist of the Birds of the World. Barcelona, Spain and Cambridge UK: Lynx Edicions and BirdLife International.

IUCN Red list criteria met and history
Red List criteria met
Critically Endangered Endangered Vulnerable
- - -

Red List history
Year Category Criteria
2016 Least Concern
2012 Least Concern
2009 Least Concern
2008 Least Concern
2004 Least Concern
2000 Lower Risk/Least Concern
1994 Lower Risk/Least Concern
1988 Lower Risk/Least Concern
Species attributes

Migratory status not a migrant Forest dependency Low
Land mass type Average mass -
Extent of occurrence (EOO)

Estimate Data quality
Extent of Occurrence breeding/resident (km2) 24,500,000 medium
Number of locations -
Fragmentation -
Population and trend
Estimate Data quality Derivation Year of estimate
No. of mature individuals poor estimated 2009
Population trend Stable suspected -
Decline (3 years/1 generation past) - - -
Decline (5 years/1 generation past) - - -
Decline (10 years/1 generation past) - - -
Decline (10 years/3 generation future) - - -
Decline (10 years/3 generation past and future) - - -
Number of subpopulations - - -
Largest subpopulations - - -
Generation length (yrs) 6.6 - - -

Trend justification: The population is suspected to be stable in the absence of evidence for any declines or substantial threats.


Country/territory distribution
Country/Territory Occurrence status Presence Resident Breeding Non-breeding Passage
Angola N Extant Yes
Benin N Extant Yes
Botswana N Extant Yes
Burkina Faso V Extant Yes
Burundi N Extant Yes
Cameroon N Extant Yes
Cape Verde V Extant Yes
Chad N Extant Yes
Congo, The Democratic Republic of the N Extant Yes
Côte d'Ivoire N Extant Yes
Ethiopia N Extant Yes
Gabon V Extant Yes
Gambia N Extant Yes
Ghana N Extant Yes
Guinea N Extant Yes
Guinea-Bissau N Extant Yes
Israel V Extant Yes
Kenya N Extant Yes
Liberia N Extant Yes
Madagascar N Extant Yes
Malawi N Extant Yes
Mali N Extant Yes
Mauritania N Extant Yes
Mozambique N Extant Yes
Namibia N Extant Yes
Niger N Extant Yes
Nigeria N Extant Yes
Oman V Extant Yes
Rwanda V Extant Yes
São Tomé e Príncipe V Extant Yes
Senegal N Extant Yes
Sierra Leone N Extant Yes
Somalia N Extant Yes
South Africa N Extant Yes
South Sudan N Extant Yes
Sudan N Extant Yes
Swaziland V Extant Yes
Tanzania N Extant Yes
Togo N Extant Yes
Uganda N Extant Yes
Yemen V Extant Yes
Zambia N Extant Yes
Zimbabwe N Extant Yes

Important Bird and Biodiversity Areas (IBA)
Country/Territory IBA Name
Botswana Okavango Delta
Cameroon Logone flood-plain
Gambia Islands of the Central River Division
Guinea-Bissau Arquipélago dos Bijagós
Guinea-Bissau Rio Mansôa and Gêba estuary
Madagascar Bemamba Wetland Complex
Malawi Lake Chilwa and flood-plain
Mali Lac Débo - Lac Oualado Débo
Senegal Niayes (from Dakar to St Louis)
Tanzania Nyumba ya Mungu reservoir
Zambia Bangweulu Swamps
Zambia Kafue Flats

Habitats & altitude
Habitat (level 1) Habitat (level 2) Importance Occurrence
Artificial/Aquatic & Marine Artificial/Aquatic - Irrigated Land (includes irrigation channels) suitable resident
Artificial/Aquatic & Marine Artificial/Aquatic - Ponds (below 8ha) suitable resident
Artificial/Aquatic & Marine Artificial/Aquatic - Water Storage Areas (over 8ha) suitable resident
Forest Subtropical/Tropical Mangrove Vegetation Above High Tide Level suitable resident
Grassland Subtropical/Tropical Seasonally Wet/Flooded suitable resident
Marine Intertidal Mud Flats and Salt Flats suitable resident
Marine Neritic Estuaries suitable resident
Wetlands (inland) Bogs, Marshes, Swamps, Fens, Peatlands suitable resident
Wetlands (inland) Permanent Freshwater Lakes (over 8ha) suitable resident
Wetlands (inland) Permanent Freshwater Marshes/Pools (under 8ha) suitable resident
Wetlands (inland) Permanent Rivers/Streams/Creeks (includes waterfalls) suitable resident
Wetlands (inland) Permanent Saline, Brackish or Alkaline Lakes suitable resident
Wetlands (inland) Seasonal/Intermittent Freshwater Lakes (over 8ha) suitable resident
Wetlands (inland) Seasonal/Intermittent Freshwater Marshes/Pools (under 8ha) suitable resident
Wetlands (inland) Seasonal/Intermittent Saline, Brackish or Alkaline Lakes and Flats suitable resident
Altitude 0 - 1500 m Occasional altitudinal limits  

Threats & impact
Threat (level 1) Threat (level 2) Impact and Stresses
Human intrusions & disturbance Work & other activities Timing Scope Severity Impact
Ongoing Majority (50-90%) Slow, Significant Declines
Stresses
Species disturbance

Utilisation
Purpose Primary form used Life stage used Source Scale Level Timing
Pets Whole Adults and juveniles Wild International Non-trivial Recent

Recommended citation
BirdLife International (2019) Species factsheet: Egretta ardesiaca. Downloaded from http://www.birdlife.org on 24/07/2019. Recommended citation for factsheets for more than one species: BirdLife International (2019) IUCN Red List for birds. Downloaded from http://www.birdlife.org on 24/07/2019.