Bur oak for birds in Ontario
Drought-hardy prairie oak with large acorns and a heavy insect load. Native to Ontario, where it feeds or shelters 96 backyard bird species.
- Scientific name
- Quercus macrocarpa
- Native status
- Native in Ontario
- Hardiness zones
- Canadian zones 0a–7a (southern Ontario roughly equivalent to USDA 4–6)
- What birds get from it
- acorns and nuts, insects for nestlings
- Ontario birds supported
- 96
- Nesting birds among them
- 96
Growing conditions in Ontario
Humid continental in the south, boreal and subarctic in the north; most backyard birding happens in the southern Great Lakes lowlands.
Short, warm summers; Point Pelee and Long Point are continent-famous migration sites.
Ontario birds that use Bur oak
Year-round residents (32)
Black-capped Chickadee, Downy Woodpecker, Hairy Woodpecker, Tufted Titmouse, White-breasted Nuthatch, Blue Jay, Carolina Wren, American Robin, Song Sparrow, Red-bellied Woodpecker, Northern Flicker, Pileated Woodpecker, Red-breasted Nuthatch, Brown Creeper, Eastern Screech-Owl, European Starling, American Crow, Common Raven, Red-tailed Hawk, Barred Owl, Great Horned Owl, American Kestrel, Wood Duck, Wild Turkey, Great Blue Heron, Belted Kingfisher, Golden-crowned Kinglet, Hooded Merganser, Bald Eagle, Northern Saw-whet Owl, Black-backed Woodpecker, American Three-toed Woodpecker
Summer breeders (64)
Eastern Bluebird, Purple Martin, House Wren, Red-headed Woodpecker, Yellow-bellied Sapsucker, Common Grackle, Red-winged Blackbird, Baltimore Oriole, Rose-breasted Grosbeak, Indigo Bunting, Gray Catbird, Brown Thrasher, Tree Swallow, Barn Swallow, Eastern Phoebe, Chimney Swift, Yellow-rumped Warbler, Pine Warbler, Wood Thrush, Great Crested Flycatcher, Eastern Kingbird, Cooper's Hawk, Sharp-shinned Hawk, Scarlet Tanager, Eastern Meadowlark, Ruby-crowned Kinglet, Hermit Thrush, Winter Wren, Gray Catbird, Yellow Warbler, Common Yellowthroat, American Redstart, Black-and-white Warbler, Prothonotary Warbler, Ovenbird, Yellow-breasted Chat, Orange-crowned Warbler, Palm Warbler, Red-eyed Vireo, Warbling Vireo, Eastern Wood-Pewee, Least Flycatcher, Cliff Swallow, Northern Rough-winged Swallow, Bank Swallow, Common Nighthawk, Eastern Whip-poor-will, Killdeer, Spotted Sandpiper, American Woodcock, Green Heron, Great Egret, Black-crowned Night Heron, Turkey Vulture, Osprey, Red-shouldered Hawk, Merlin, Peregrine Falcon, Swamp Sparrow, Yellow-billed Cuckoo, Bobolink, Yellow-headed Blackbird, Brewer's Blackbird, Rusty Blackbird
Nesting season it supports in Ontario
Plants that feed adults and host caterpillars matter most while nestlings are in the nest. Local nesting windows for birds that use Bur oak:
- Eastern Bluebird — May–August
- Black-capped Chickadee — May–July
- Purple Martin — May–July
- Downy Woodpecker — May–July
- Hairy Woodpecker — May–June
- Tufted Titmouse — April–June
- White-breasted Nuthatch — April–June
- House Wren — May–August
- Blue Jay — May–July
- Carolina Wren — May–August
Native plants to pair with Bur oak in Ontario
Late nectar for insects and fall seed for sparrows.
Frequently asked
Is Bur oak native to Ontario?
Yes. Bur oak (Quercus macrocarpa) is recorded as native in Ontario. Ontario spans Canadian zones 0a–7a (southern Ontario roughly equivalent to USDA 4–6).
What birds does Bur oak attract in Ontario?
In Ontario, Bur oak supports 96 backyard birds, including Eastern Bluebird, Black-capped Chickadee, Purple Martin, Downy Woodpecker, Hairy Woodpecker, Tufted Titmouse.
Does Bur oak help nesting birds in Ontario?
96 of those birds nest in Ontario: Eastern Bluebird (May–August), Black-capped Chickadee (May–July), Purple Martin (May–July), Downy Woodpecker (May–July).
Sources
- USDA PLANTS Database (native distribution)
- VASCAN (Canadian native distribution)
- 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.