Key Biodiversity Areas

Bol'shaya River Estuary (16469)
Russia (Asian), Asia

Biodiversity elements triggering KBA criteria


Taxonomic groupScientific nameCommon nameIUCN Red List categoryYearKBA criteria
AvesMelanitta americanaBlack ScoterNT2016B1, D1alink-icon
AvesLarus schistisagusSlaty-backed GullLC2016D1alink-icon
AvesMergus serratorRed-breasted MerganserLC2016D1alink-icon
AvesOnychoprion aleuticusAleutian TernLC2016A1b, D1alink-icon
AvesMelanitta stejnegeriSiberian ScoterLC2016B1, D1alink-icon
AvesClangula hyemalisLong-tailed DuckVU2016A1b, A1d, D1alink-icon

Other species not triggering KBA criteria


Taxonomic groupScientific nameCommon nameIUCN Red List CategoryYear
AvesCalidris alpinaDunlinLC2016link-icon
AvesCygnus columbianusTundra SwanLC2016link-icon
AvesHaliaeetus pelagicusSteller's Sea-eagleVU2016link-icon
AvesAythya marilaGreater ScaupLC2016link-icon
AvesCalidris ruficollisRed-necked StintNT2016link-icon

Recommended citation


Key Biodiversity Areas Partnership (2025) Key Biodiversity Areas factsheet: Bol'shaya River Estuary. Extracted from the World Database of Key Biodiversity Areas. Developed by the Key Biodiversity Areas Partnership: BirdLife International, IUCN, American Bird Conservancy, Amphibian Survival Alliance, Conservation International, Critical Ecosystem Partnership Fund, Global Environment Facility, Re:wild, NatureServe, Rainforest Trust, Royal Society for the Protection of Birds, World Wildlife Fund and Wildlife Conservation Society. Downloaded from https://keybiodiversityareas.org/ on Dec 26, 2025.