Data Zone
Taxonomic note
Egretta picata (del Hoyo and Collar 2014) was previously placed in the genus Ardea.
Taxonomic source(s)
Christidis, L. and Boles, W.E. 2008. Systematics and Taxonomy of Australian Birds. CSIRO Publishing, Collingwood, Australia.
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. Volume 1: Non-passerines. Lynx Edicions BirdLife International, Barcelona, Spain and Cambridge, UK.
| Critically Endangered | Endangered | Vulnerable |
|---|---|---|
| - | - | - |
| Year | Category | Criteria |
|---|---|---|
| 2024 | Least Concern | |
| 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 |
| Migratory status | full migrant | Forest dependency | low |
| Land-mass type | Average mass | - |
| Estimate | Data quality | |
|---|---|---|
| Extent of Occurrence (breeding/resident) | 2,450,000 km2 | |
| Extent of Occurrence (non-breeding) | 5,490,000 km2 | |
| Severely fragmented? | no | - |
| Estimate | Data quality | Derivation | Year of estimate | |
|---|---|---|---|---|
| Population size | 16700-66700 mature individuals | poor | estimated | 2023 |
| Population trend | unknown | - | suspected | - |
| Generation length | 4.59 years | - | - | - |
Population justification: The global population size is estimated at 25,000-100,000 individuals (Wetlands International 2023), which equates to 16,700-66,700 mature individuals. The overall population trend is unknown (Wetlands International 2023).
Trend justification: .
| Country/Territory | Presence | Origin | Resident | Breeding visitor | Non-breeding visitor | Passage migrant |
|---|---|---|---|---|---|---|
| Australia | extant | native | yes | |||
| Indonesia | extant | native | yes | |||
| Papua New Guinea | extant | native | yes | |||
| Timor-Leste | extant | native | yes |
| Country/Territory | IBA Name |
|---|---|
| Australia | Adelaide and Mary River Floodplains |
| Australia | Alligator Rivers Floodplains |
| Australia | Anson Bay, Daly and Reynolds River Floodplains |
| Australia | Arafura Swamp |
| Australia | Buckingham Bay |
| Australia | Cadell and Blyth Floodplains |
| Australia | Fog Bay and Finniss River Floodplains |
| Australia | Hyland Bay and Moyle Floodplain |
| Australia | Legune (Joseph Bonaparte Bay) |
| Habitat (level 1) | Habitat (level 2) | Importance | Occurrence |
|---|---|---|---|
| Artificial/Aquatic & Marine | Artificial/Aquatic - Salt Exploitation Sites | suitable | non-breeding |
| Artificial/Aquatic & Marine | Artificial/Aquatic - Salt Exploitation Sites | suitable | breeding |
| Artificial/Aquatic & Marine | Artificial/Aquatic - Wastewater Treatment Areas | suitable | non-breeding |
| Artificial/Aquatic & Marine | Artificial/Aquatic - Wastewater Treatment Areas | suitable | breeding |
| Forest | Subtropical/Tropical Mangrove Vegetation Above High Tide Level | suitable | non-breeding |
| Forest | Subtropical/Tropical Mangrove Vegetation Above High Tide Level | suitable | breeding |
| Marine Coastal/Supratidal | Coastal Brackish/Saline Lagoons/Marine Lakes | suitable | non-breeding |
| Marine Coastal/Supratidal | Coastal Brackish/Saline Lagoons/Marine Lakes | suitable | breeding |
| Marine Coastal/Supratidal | Coastal Freshwater Lakes | suitable | non-breeding |
| Marine Coastal/Supratidal | Coastal Freshwater Lakes | suitable | breeding |
| Marine Intertidal | Mud Flats and Salt Flats | suitable | non-breeding |
| Marine Intertidal | Mud Flats and Salt Flats | suitable | breeding |
| Marine Intertidal | Sandy Shoreline and/or Beaches, Sand Bars, Spits, Etc | suitable | non-breeding |
| Marine Intertidal | Sandy Shoreline and/or Beaches, Sand Bars, Spits, Etc | suitable | breeding |
| Wetlands (inland) | Permanent Freshwater Lakes (over 8ha) | suitable | non-breeding |
| Wetlands (inland) | Permanent Freshwater Lakes (over 8ha) | suitable | breeding |
| Wetlands (inland) | Permanent Rivers/Streams/Creeks (includes waterfalls) | suitable | non-breeding |
| Wetlands (inland) | Permanent Rivers/Streams/Creeks (includes waterfalls) | suitable | breeding |
| Altitude | 0 - 2500 m | Occasional altitudinal limits |
| Threat (level 1) | Threat (level 2) | Impact and Stresses | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Climate change & severe weather | Habitat shifting & alteration | Timing | Scope | Severity | Impact | ||||
| Future | Minority (<50%) | Unknown | Unknown | ||||||
|
|||||||||
| Purpose | Scale |
|---|---|
| Pets/display animals, horticulture | international |
Recommended citation
BirdLife International (2024) Species factsheet: Pied Heron Egretta picata. Downloaded from
https://datazone.birdlife.org/species/factsheet/pied-heron-egretta-picata on 23/12/2024.
Recommended citation for factsheets for more than one species: BirdLife International (2024) IUCN Red List for birds. Downloaded from
https://datazone.birdlife.org/species/search on 23/12/2024.