Middle Onon

IBA Justification

The site was identified as important in 2013 because it was regularly supporting significant populations of the species listed below, meeting ('triggering') IBA criteria.

Populations meeting IBA criteria ('trigger species'):
Species Current IUCN Red List Category Season Year(s) Population estimate at site IBA criteria met
Daurian Partridge Perdix dauurica LC breeding 2012 4,400-6,800 breeding pairs A3
Swan Goose Anser cygnoid EN breeding 2012 5-8 breeding pairs A1
Siberian Crane Leucogeranus leucogeranus CR non-breeding 2012 2 individuals A1
Demoiselle Crane Anthropoides virgo LC breeding 1990-2012 200-1,500 breeding pairs A3, A4i
White-naped Crane Grus vipio VU breeding 2012 7-10 breeding pairs A1, A3, A4i
Great Bustard Otis tarda EN breeding 2012 30-50 females A1, A3
Steppe Eagle Aquila nipalensis EN breeding 2012 5-12 breeding pairs A3
Saker Falcon Falco cherrug EN breeding 2012 5-10 breeding pairs A1
Mongolian Lark Melanocorypha mongolica LC breeding 2012 92,000-123,000 breeding pairs A3
Blyth's Pipit Anthus godlewskii LC breeding 2012 34,000-53,000 breeding pairs A3
Yellow-breasted Bunting Emberiza aureola CR breeding 2013 35-76 breeding pairs A1
A4iii Species group - waterbirds n/a passage 1990-2012 4,000-130,000 individuals A4iii

The current IUCN Red List category may differ from that which was valid at the time of IBA criteria assessment (2013).

IBA Protection

Protected area (PA) PA designation PA area (ha) Relationship of PA with IBA Overlap of PA with IBA (ha)
Ozero Khalanda Nature Monument 0 protected area overlaps with site 0
Mineral'nyi Istochnik Kislyi kljuch Nature Monument 0 protected area overlaps with site 0
Il'movaya Roscha Nature Monument 0 protected area overlaps with site 0
Gornaya Step' Zakaznik 5,273 protected area contained by site 5,273


Habitat (IUCN level 1) Habitat detail Extent (% of site)
Grassland Steppe -
Wetlands (inland) -
Forest -
Artificial/Terrestrial Arable land -
For more information about the IUCN Habitat classification, please click here.

Land use

Land-use Extent (% of site)
agriculture -
hunting -
nature conservation and research -
forestry -
not utilised -

Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Middle Onon. Downloaded from on 28/02/2024.