Renesting Characteristics of Captive Mallards on Experimental Ponds
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Abstract
Renesting characteristics of captive wild-strain mallards (Anas platyrhynchos) were investigated on experimental ponds in southcentral North Dakota during the breeding seasons of 1976-81. Renesting efforts and egg production increased during the 1st 3 years. Post-yearling females that experienced clutch loss during early incubation produced 3 clutches of eggs during the breeding season. All of the birds produced 4 clutches and 50% produced 5 during the study. Birds provided with an unlimited food supply produced an average of 10.36 ± 1.03 (SD), 9.97 ± 1.09 (SD), 9.59 ± 0.91 (SD), 8.47 ± 0.94 (SD), and 8.50 ± 0.50 (SD) eggs during each successive nesting attempt. Clutch size differed (P < 0.01) among birds, ages, and nesting attempts. Renesting intervals for mallard females on unlimited food averaged 7.13 ± 1.24 (SD) days and ranged from 5 to 10 days. Intervals differed (P < 0.01) among birds and interval sequences. When food availability was reduced, renesting intervals increased and clutch size decreased.
Study Area
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Renesting Characteristics of Captive Mallards on Experimental Ponds |
| Series title | Journal of Wildlife Management |
| DOI | 10.2307/3801484 |
| Volume | 50 |
| Issue | 1 |
| Year Published | 1986 |
| Language | English |
| Publisher | Wiley |
| Contributing office(s) | Northern Prairie Wildlife Research Center |
| Description | 7 p. |
| First page | 32 |
| Last page | 38 |
| Country | United States |
| State | North Dakota |
| Other Geospatial | James River Valley |
| Google Analytic Metrics | Metrics page |