. Breeding birds of Ontario : nidiology and distribution. Birds; Birds; Birds. White Pelican, Pelecanus erythrorhynchos Gmelin Nidiology RECORDS 18 (33 colonies, ca 3513 nests) representing 1 provincial region. The white pelican is a colonial species and nests in homogeneous colonies or in company with double-crested cormorant and herring gull. The average size of 33 colonies was 110 nests. Colonies were located on small, low, bedrock islands from to ha (1 to 3 acres) in size. These islands were sparsely vegetated with grasses, nettles, and smartweed, or more thickly covered with high
. Breeding birds of Ontario : nidiology and distribution. Birds; Birds; Birds. White Pelican, Pelecanus erythrorhynchos Gmelin Nidiology RECORDS 18 (33 colonies, ca 3513 nests) representing 1 provincial region. The white pelican is a colonial species and nests in homogeneous colonies or in company with double-crested cormorant and herring gull. The average size of 33 colonies was 110 nests. Colonies were located on small, low, bedrock islands from to ha (1 to 3 acres) in size. These islands were sparsely vegetated with grasses, nettles, and smartweed, or more thickly covered with high shrubs and trees such as elder and bur oak. Nests were on the ground, in depressions in the thin soil or sand, and were composed of soil, sticks, and vegetation piled up on the outside. Nests were lined with finer sticks, feathers, leaves, and stems of nearby vegetation. EGGS 162 nests with 1 to 3 eggs; IE (45N), 2E (113N), 3E (2N). Average clutch range 2 eggs (113 nests). INCUBATION PERIOD No information. EGG DATES 16 records, 8 May to 27 July (21 dates); 8 records, 4 June to 30 June. Breeding Distribution A summer resident of the western provinces, the white pelican is known to breed at only one location in Ontario, in the southern part of Lake of the Woods (Fig. 144B). A colony of these pelicans was first reported there in 1938, when about eight pairs were found on Dream Island (Baillie, 1960). Since 1938, subsequent colonies have been reported at the same location. There are now two colonies located on two of the Three Sister Islands and they have grown to about 3000 birds (1500 pairs).. 27. 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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