. Breeding birds of Ontario : nidiology and distribution. Birds; Birds; Birds. Mute Swan, Cygnus olor (Gmelin) Nidiology RECORDS 10 nests representing 5 provincial regions. This species has been established as a feral breeding bird in Ontario for more than 20 years. Most of the reported nests were in cattail marshes, although 2 were on the shore of a small pond. The marsh nests were situated in cattails from to 90 m (45 to 300 ft) from shore and were placed on mats of floating vegetation, anchored by standing cattails, or on muskrat houses. Nest structures were large mounds of dead cattai
. Breeding birds of Ontario : nidiology and distribution. Birds; Birds; Birds. Mute Swan, Cygnus olor (Gmelin) Nidiology RECORDS 10 nests representing 5 provincial regions. This species has been established as a feral breeding bird in Ontario for more than 20 years. Most of the reported nests were in cattail marshes, although 2 were on the shore of a small pond. The marsh nests were situated in cattails from to 90 m (45 to 300 ft) from shore and were placed on mats of floating vegetation, anchored by standing cattails, or on muskrat houses. Nest structures were large mounds of dead cattails. One nest was lined with some down and feathers. Nest diameters were 2 m (6 ft) and nest depths ranged from to 61 cm (8 to 24 inches). EGGS 8 nests with 1 to 9 eggs; IE (IN), 4E (IN), 5E (3N), 8E (2N), 9E (IN). Average clutch range 4 to 8 eggs (6 nests). INCUBATION PERIOD No information. EGG DATES 8 nests, 4 April to 29 June (9 dates); 4 nests, 9 May to 22 May. Breeding Distribution The mute swan is kept in captivity in many parts of the province. It also lives in a semi-wild state in parks, where it can be fed and maintained through the winter months. However, feral birds have succeeded in maintaining themselves throughout the winter and such birds began breeding in the wild as early as 1958 (Peck, 1966). Because this species is nonmigratory, it is confined to areas of suitable habitat near the southern Great Lakes where open water is found all ^ 45. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Peck, George K; James, Ross, 1943-; Royal Ontario Museum. Toronto : Royal Ontario Museum
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Keywords: ., bookcentury1900, bookdecade19, bookleafnumber61, booksubjectbirds
