Observations on black-crowned night heron breeding success in a North Dakota marsh
Canadian Field-Naturalist
By: R. J. Greenwood
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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.
| 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 |
| Publisher | Ottawa Field-Naturalists' Club |
| Contributing office(s) | Northern Prairie Wildlife Research Center |
| Description | 3 p. |
| First page | 465 |
| Last page | 467 |