CA248
Mackenzie River Delta


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') at the site:
Species Red List1 Season Year(s) Size IBA criteria
Tundra Swan Cygnus columbianus LC breeding 1995 2,500 individuals A4i
Brent Goose Branta bernicla LC passage 1974 6,112 individuals A4i
Snow Goose Anser caerulescens LC passage 1975 323,000 individuals A4i
Greater White-fronted Goose Anser albifrons LC passage 1974 23,700 individuals A4i
A4iii Species group - waterbirds n/a passage - 20,000-49,999 individuals A4iii

1. The current IUCN Red List category. The category at the time of the IBA criteria assessment (2008) may differ.


IBA Conservation

Ideally the conservation status of the IBA will have been checked regularly since the site was first identified in 2008. The most recent assessment (2013) is shown below.

IBA conservation assessment
Year of assessment State Pressure Response
2013 not assessed high low
Whole site assessed? State assessed by Accuracy of information
yes unset unknown

Pressure (threats to the trigger species and/or their habitats)
Threat Timing Scope Severity Result
Transportation and service corridors happening now some of area/population (10-49%) moderate to rapid deterioration high
Energy production and mining happening now some of area/population (10-49%) slow but significant deterioration medium
Human intrusions and disturbance happening now some of area/population (10-49%) slow but significant deterioration medium
Pollution likely in long term (beyond 4 years) small area/few individuals (<10%) very rapid to severe deterioration low

Response (conservation actions taken for the trigger species and/or their habitats)
Protected areas Management plan Other action Result
Some of site covered (10-49%) A management plan exists but it is out of date or not comprehensive Very little or no conservation action taking place low

IBA Protection

Year Protected Area Designation % overlap with IBA
- Kugaluk River Migratory Bird Sanctuary 2
1961 Kendall Island Migratory Bird Sanctuary Migratory Bird Sanctuary 13
2010 Tarium Niryutait Marine Protected Area Marine Protected Area 8

Habitats

Habitat1 Habitat detail % of IBA
Wetlands (inland) Inland deltas -
1. IUCN Habitat classification.

Land use

Land use % of IBA
not utilised major (>10)


Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Mackenzie River Delta (Canada). Downloaded from https://datazone.birdlife.org/site/factsheet/mackenzie-river-delta-iba-canada on 23/11/2024.