Moose River Estuary

IBA Justification

The site was identified as important in 2008 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
Snow Goose Anser caerulescens LC passage 1975 179,000 individuals A4i
A4iii Species group - waterbirds n/a passage 1975 100,000-499,999 individuals A4iii

The current IUCN Red List category may differ from that which was valid at the time of IBA criteria assessment (2008).

IBA Protection

Protected area (PA) PA designation PA area (ha) Relationship of PA with IBA Overlap of PA with IBA (ha)
Southern James Bay (Moose River & Hannah Bay) Ramsar Site, Wetland of International Importance 25,290 protected area contains site 6,600
Moose River Migratory Bird Sanctuary Migratory Bird Sanctuary 2,678 protected area overlaps with site 0


Habitat (IUCN level 1) Habitat detail Extent (% of site)
Marine Intertidal -
Marine Neritic -
For more information about the IUCN Habitat classification, please click here.

Land use

Land-use Extent (% of site)
nature conservation and research -
fisheries/aquaculture -
hunting -
tourism/recreation -

Recommended citation
BirdLife International (2023) Important Bird Area factsheet: Moose River Estuary. Downloaded from on 01/10/2023.