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Remarks: The Black-crowned night heron were first observed in Alberta near Strathmore during the summer of 1958. Since that time they have been seen as far north as the Edmonton area. Marshes, mud flats or the edges of lakes that are overgrown with rushes and cattails are the haunts of this stocky heron. As the name implies this heron is active at night. During the day it is more inclined to roost in trees or can be found sunning on a rock or fence-post. It feeds largely on fish but will take frogs, crayfish and even small rodents The black-crowned night heron nests in colonies and makes a nest of sticks usually in trees, occasionally in bushes and rarely on the ground. The nest can contain 3 to 5 pale bluish green eggs. Incubation takes between 24 to 26 days. There is one brood a year. © 2001 University of Alberta Museum of Zoology
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