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Observations on black-crowned night heron breeding success in a North Dakota marsh

Canadian Field-Naturalist

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Abstract

Storms and mammalian predation severely reduced production in a Black-crowned Night Heron (Nycticorax nycticorax) colony in two years and drought prevented nesting in two other years from 1976 to 1980. Maximum estimated production was 2.2 young per pair in 1978, the only year production was sufficient to maintain the population.

Additional Publication Details

Publication type:
Article
Publication Subtype:
Journal Article
Title:
Observations on black-crowned night heron breeding success in a North Dakota marsh
Series title:
Canadian Field-Naturalist
Volume
95
Issue:
4
Year Published:
1981
Language:
English
Description:
p. 465-467
Larger Work Type:
Article
Larger Work Subtype:
Journal Article
Larger Work Title:
Canadian Field-Naturalist
First page:
465
Last page:
467
Number of Pages:
2