The grackle is a common spring migrant, summer resident and
early fall migrant at
Presqu'ile provincial park, roughly
40 km to the south (LaForest, 1993, pp.374-375),
as well as an uncommon migrant from early September to early November,
and rare to occasional
Large numbers may be present in late August, prior to the main
The bird is also very common in
Peterborough county, to the northwest,
with the usual range listed as 02 March to 04 November
(Sadler, 1983, p.158), although birds may overwinter.
LaFOREST,SM (1993) Birds of Presqu'ile Provincial Park. Friends of Presqu'ile Park / Ontario Ministry of Natural Resources, 436pp.
SADLER,D (1983) Our Heritage of Birds: Peterborough County in the Kawarthas. Peterborough Field Naturalists / Orchid Press, Peterborough, ON, 192pp.