The site was identified as internationally important for bird conservation in 2004 because it was regularly supporting significant populations of the species listed below, meeting ('triggering') IBA criteria.
| Species |
Red List |
Season (year/s of estimate) |
Size |
IBA criteria |
| Whooper Swan Cygnus cygnus |
LC |
breeding (1999) |
common |
A3 |
| Greater White-fronted Goose Anser albifrons |
LC |
passage (1999) |
300–4,000 birds |
A4i |
| Lesser White-fronted Goose Anser erythropus |
VU |
passage (1999) |
frequent |
A1, A4i |
| Mandarin Duck Aix galericulata |
LC |
breeding (1999) |
common |
A3 |
| Baer's Pochard Aythya baeri |
CR |
passage (1999) |
5–20 birds |
A1 |
| Baikal Teal Sibirionetta formosa |
LC |
passage (1999) |
abundant |
A1, A4i |
| Falcated Duck Mareca falcata |
LC |
breeding (1999) |
common |
A3 |
| Band-bellied Crake Zapornia paykullii |
NT |
breeding (1999) |
common |
A3 |
| Siberian Crane Leucogeranus leucogeranus |
CR |
passage (1999) |
common |
A1 |
| White-naped Crane Grus vipio |
VU |
breeding (1999) |
7–16 pairs |
A1, A3, A4i |
| Red-crowned Crane Grus japonensis |
VU |
breeding (1999) |
7–34 pairs |
A1, A3, A4i |
| Hooded Crane Grus monacha |
VU |
passage (1999) |
30–150 birds |
A1, A4i |
| Oriental Stork Ciconia boyciana |
EN |
breeding (1999) |
35–66 pairs |
A1, A3, A4i |
| Schrenck's Bittern Ixobrychus eurhythmus |
LC |
breeding (1999) |
15 pairs |
A3 |
| Far Eastern Curlew Numenius madagascariensis |
EN |
breeding (1999) |
250–600 pairs |
A3, A4i |
| Greater Spotted Eagle Clanga clanga |
VU |
breeding (1999) |
common |
A1 |
| Pied Harrier Circus melanoleucos |
LC |
breeding (1999) |
common |
A3 |
| Ashy Minivet Pericrocotus divaricatus |
LC |
breeding (1999) |
abundant |
A3 |
| Lanceolated Warbler Locustella lanceolata |
LC |
breeding (1999) |
abundant |
A3 |
| Locustella fasciolata |
NR |
breeding (1999) |
abundant |
A3 |
| Radde's Warbler Phylloscopus schwarzi |
LC |
breeding (1999) |
abundant |
A3 |
| Pale-legged Leaf-warbler Phylloscopus tenellipes |
LC |
breeding (1999) |
abundant |
A3 |
| Asian Stubtail Urosphena squameiceps |
LC |
breeding (1999) |
abundant |
A3 |
| Grey-backed Thrush Turdus hortulorum |
LC |
breeding (1999) |
abundant |
A3 |
| Pale Thrush Turdus pallidus |
LC |
breeding (1999) |
abundant |
A3 |
| Grey-streaked Flycatcher Muscicapa griseisticta |
LC |
breeding (1999) |
abundant |
A3 |
| Cyanoptila cyanomelana |
NR |
breeding (1999) |
abundant |
A3 |
| Siberian Blue Robin Larvivora cyane |
LC |
breeding (1999) |
abundant |
A3 |
| Rufous-tailed Robin Larvivora sibilans |
LC |
breeding (1999) |
abundant |
A3 |
| Yellow-rumped Flycatcher Ficedula zanthopygia |
LC |
breeding (1999) |
abundant |
A3 |
| White-throated Rock-thrush Monticola gularis |
LC |
breeding (1999) |
abundant |
A3 |
| Forest Wagtail Dendronanthus indicus |
LC |
breeding (1999) |
common |
A3 |
| Chinese Grosbeak Eophona migratoria |
LC |
breeding (1999) |
abundant |
A3 |
| Japanese Grosbeak Eophona personata |
LC |
breeding (1999) |
abundant |
A3 |
| Yellow-breasted Bunting Emberiza aureola |
CR |
breeding (1999) |
abundant |
A3 |
| Tristram's Bunting Emberiza tristrami |
LC |
breeding (1999) |
abundant |
A3 |
