. Breeding birds of Ontario : nidiology and distribution. Birds; Birds; Birds. Greater Prairie Chicken, Tympanuchus cupido (Linnaeus) Nidiology RECORDS 2 nests representing 1 provincial region. A review of the published evidence of the Ontario breeding of this species (Baillie, 1961) indicates that it was first included on the breeding-bird list on the basis of hearsay evidence of nesting in 1946 on Manitoulin Island. This undocumented record involved a nest with 13 eggs found in June, and all of these eggs were reported later to have hatched. The species had immigrated to the island from Mich
. Breeding birds of Ontario : nidiology and distribution. Birds; Birds; Birds. Greater Prairie Chicken, Tympanuchus cupido (Linnaeus) Nidiology RECORDS 2 nests representing 1 provincial region. A review of the published evidence of the Ontario breeding of this species (Baillie, 1961) indicates that it was first included on the breeding-bird list on the basis of hearsay evidence of nesting in 1946 on Manitoulin Island. This undocumented record involved a nest with 13 eggs found in June, and all of these eggs were reported later to have hatched. The species had immigrated to the island from Michigan about 7 years earlier. In July 1948 it was properly documented with photographs of one-third grown immatures taken in Billings Township, Manitoulin Island (ROM PR 174 and 175). A set of 3 eggs (ROM 5148) was collected on 20 June 1953 at an airport km (7 mi) west of Gore Bay, Manitoulin Island (Devitt and Miller, 1954). The 3 eggs were from a nest in a dry, stony flatland area of limestone, thinly covered with an alkaline soil. The nest depression in the ground was sparsely lined with dried grasses; a tuft of grass 38 cm (15 inches) in length arched over the nest. Breeding Distribution The greater prairie chicken apparently occurred naturally in the prairie-like areas of Essex, Kent, and Lambton Counties prior to 1900 (Lumsden, 1966), but has long since disappeared from the southern region of the province. It expanded farther north in Ontario along the north shore of Lake Huron in about 1925 and onto Manitoulin Island in 1938 or 1939 (Baillie, 1947). However, the species soon hybridized extensively with sharp-tailed grouse and, in the absence of a continued influx of pure prairie chicken stock, the greater prairie chicken disappeared from Ontario by the early 1960s. Records also exist of the occurrence of this species in the Thunder Bay area (Denis, 1961), although no indication of breeding was ever Please note that these images are extracted from scanned page
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