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Location Canada, Northwest Territories
Central coordinates 118o 15.07' West  61o 25.26' North
IBA criteria A4i, A4iii
Area 39,300 ha
Altitude
Year of IBA assessment 2008

Bird Studies Canada/Nature Canada



Site description Mills Lake is formed by a widening of the upper Mackenzie River, and is found at a point where the Horn River joins the Mackenzie River. It is a circular lake, about 20 km wide that lies downstream from Fort Providence, Northwest Territories. The lake holds extensive marshes and other vegetation communities, such as floating sedge mats, and other emergent and submergent aquatic vegetation. The surrounding shorelines are low-lying and often sandy.

Populations of IBA trigger species

Species Season Period Population estimate Quality of estimate IBA Criteria IUCN Category
Tundra Swan Cygnus columbianus passage  1972  2,190 individuals  A4i  Least Concern 
A4iii Species group - waterbirds passage  1972  20,000-49,999 individuals  unknown  A4iii   

Habitats

IUCN habitat Habitat detail Extent (% of site)
Wetlands (inland) Freshwater lakes and pools; Freshwater marshes/swamps; Intertidal mud, sand or salt flats; Rivers  -

Land use

Land-use Extent (% of site)
agriculture minor
not utilised major

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Recommended citation  BirdLife International (2014) Important Bird Areas factsheet: Mills Lake. Downloaded from http://www.birdlife.org on 02/10/2014

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