RU2067
Siverga lake


IBA Justification

The site was identified as internationally important for bird conservation in 2006 because it was regularly supporting significant populations of the species listed below, meeting ('triggering') IBA criteria.

Populations meeting IBA criteria ('trigger species') at the site:
Species Red List Season (year/s of estimate) Size IBA criteria
Red-breasted Goose Branta ruficollis VU passage (2000) 250 birds A1
Greater White-fronted Goose Anser albifrons LC passage (2000) 10,000–25,000 birds A4i
Pied Avocet Recurvirostra avosetta LC breeding (2000) 125–150 pairs A4i
Little Gull Hydrocoloeus minutus LC passage (2000) 1,500–2,000 birds A4i
Pallid Harrier Circus macrourus NT breeding (2000) 10–15 pairs A1
A4iii Species group - waterbirds n/a passage (2000) 12,650–29,350 birds A4iii

IBA Protection

Year Protected Area Designation (management category) % coverage of IBA
- Ozera Tobolo-Ishimskoy lesostepi International Park (-) 100

Habitats

Habitat % of IBA Habitat detail
Wetlands (inland) 80 Standing brackish & salt water; Temporary water bodies
Grassland 15 Steppes & dry calcareous
Artificial/Terrestrial 5 Arable land

Land use

Land use % of IBA
hunting 100
rangeland/pastureland 25
agriculture 15


Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Siverga lake (Russia (Central Asian)). Downloaded from https://datazone.birdlife.org/site/factsheet/siverga-lake-iba-russia-(central-asian) on 24/12/2024.