Common Ravens in Ontario
When ravens are present in Ontario, when they nest, which native Ontario plants feed them, and how to host them in a Canadian zones 0a–7a yard.
- Status in Ontario
- Year-round resident
- Nesting window
- March–May
- Broods
- 1 per season
- Hardiness zones
- Canadian zones 0a–7a (southern Ontario roughly equivalent to USDA 4–6)
When to expect ravens in Ontario
Common Ravens live in Ontario all year. Cold, snowy winters; feeder flocks are dominated by chickadees, nuthatches, woodpeckers and finches. That makes the cold months the time your yard matters most to them.
Humid continental in the south, boreal and subarctic in the north; most backyard birding happens in the southern Great Lakes lowlands.
Nesting in Ontario
Across Ontario, ravens typically nest from March–May. Plan around that window: February for setup, May for clean-out.
Short, warm summers; Point Pelee and Long Point are continent-famous migration sites.
- Common Ravens don't use nest boxes. Keep dense native shrubs and trees such as sugar maple, flowering dogwood, serviceberry for nest sites.
- Delay heavy pruning of shrubs until after May.
Native Ontario plants that attract ravens
Of the regional native plants we track for Ontario, these 8 provide food or cover ravens use:
Insects, seeds and cavities.
Fat-rich red fall fruit taken by thrushes, bluebirds and woodpeckers.
Early-summer berries arrive exactly when nestlings are being fed.
Acorns plus hundreds of caterpillar species for nestling food.
Drought-hardy prairie oak with large acorns and a heavy insect load.
Summer fruit and one of the top caterpillar host trees.
Late-summer berry clusters taken by over 40 bird species.
Blue-black fall fruit and dense nesting cover.
Feeding ravens through the Ontario year
- Top foods: Peanuts in the shell, Suet scraps.
- In Ontario's winter: Cold, snowy winters; feeder flocks are dominated by chickadees, nuthatches, woodpeckers and finches.
Frequently asked
Are ravens in Ontario year-round?
Yes. Common Ravens are year-round residents in Ontario.
When do ravens nest in Ontario?
Nesting in Ontario typically runs March–May, with 1 per season. Clutches are 3–7 eggs, incubated for 20–25 days.
What native plants attract ravens in Ontario?
Sugar maple, Flowering dogwood, Serviceberry, White oak, Bur oak, Black cherry, American elderberry, Arrowwood viburnum are native plants in Ontario that provide food or cover for ravens.
Common Ravens in other regions
Other backyard birds in Ontario
Sources
- Common Raven — All About Birds, Cornell Lab of Ornithology
- Common Raven life history — Cornell Lab of Ornithology
- Common Raven — Audubon Guide to North American Birds
- eBird region overview and bar charts — Ontario
- Plant Hardiness Zones of Canada — Natural Resources Canada
- Audubon Native Plants Database
- Ontario Breeding Bird Atlas — Birds Canada
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.