Northwest Territories · Summer breeder

Great Blue Herons in Northwest Territories

When great blue herons are present in Northwest Territories, when they nest, which native Northwest Territories plants feed them, and how to host them in a Canada 0a–1a yard.

Herons and egrets (Ardeidae)Great Blue HeronArdea herodias
Status in Northwest Territories
Summer breeder
Nesting window
March–June
Broods
1 per season
Hardiness zones
Canada 0a–1a

When to expect great blue herons in Northwest Territories

Great Blue Herons are summer residents in Northwest Territories, arriving shortly before nesting begins in March and leaving after the young are independent.

Subarctic boreal forest in the south, Arctic tundra in the north.

Nesting in Northwest Territories

Across Northwest Territories, great blue herons typically nest from March–June. Plan around that window: February for setup, June for clean-out.

Brief summers with midnight sun.

  • Great Blue Herons don't use nest boxes. Keep dense native shrubs and trees such as paper birch, chokecherry, balsam fir for nest sites.
  • Delay heavy pruning of shrubs until after June.

Native Northwest Territories plants that attract great blue herons

Of the regional native plants we track for Northwest Territories, these 7 provide food or cover great blue herons use:

Paper birch
Betula papyrifera · Tree

Catkin seed feeds redpolls and siskins all winter.

Chokecherry
Prunus virginiana · Shrub

Dark summer fruit and heavy caterpillar load.

Balsam fir
Abies balsamea · Tree

Spruce-budworm habitat and dense winter roosting cover.

White spruce
Picea glauca · Tree

Cone crops drive winter irruptions of finches and crossbills.

Tamarack
Larix laricina · Tree

Deciduous conifer with small cones for siskins and redpolls.

Willow (Bebb)
Salix bebbiana · Shrub

Early catkins draw insects for arriving warblers and hummingbirds.

Dwarf birch
Betula glandulosa · Shrub

Catkin seed for redpolls on the tundra.

Feeding great blue herons through the Northwest Territories year

  • Top foods: None — visits ponds with fish.
  • In Northwest Territories's summer: offer water and insect foods; natural food is abundant.

Full diet breakdown for great blue herons · Best feeder for great blue herons

Frequently asked

Are great blue herons in Northwest Territories year-round?

No. Great Blue Herons are summer breeders in Northwest Territories and leave for the winter.

When do great blue herons nest in Northwest Territories?

Nesting in Northwest Territories typically runs March–June, with 1 per season. Clutches are 2–7 eggs, incubated for 25–30 days.

What native plants attract great blue herons in Northwest Territories?

Paper birch, Chokecherry, Balsam fir, White spruce, Tamarack, Willow (Bebb), Dwarf birch are native plants in Northwest Territories that provide food or cover for great blue herons.

Great Blue Herons in other regions

Other backyard birds in Northwest Territories

Sources

  1. Great Blue Heron — All About Birds, Cornell Lab of Ornithology
  2. Great Blue Heron life history — Cornell Lab of Ornithology
  3. Great Blue Heron — Audubon Guide to North American Birds
  4. eBird region overview and bar charts — Northwest Territories
  5. Plant Hardiness Zones of Canada — Natural Resources Canada
  6. Audubon Native Plants Database

Timing reflects typical patterns for the region as a whole; local dates vary with elevation and year. Check the linked eBird bar charts for your county.