Diel Food Selection by Anatinae on a Waste-Stabilization System
- 1 April 1977
- journal article
- research article
- Published by JSTOR in The Journal of Wildlife Management
- Vol. 41 (2) , 226-231
- https://doi.org/10.2307/3800599
Abstract
Diel food selection by 33 adult and immature surface-feeding ducks (Anatinae), collected on a North Dakota [USA] waste-stabilization system during the spring and summer of 1967-75, demonstrated high invertebrate consumption (98% by volume). Midges (Chironomidae: Diptera) and Cladocera (primarily Daphnia magna) each accounted for 44% of the diet. Adult insects accounted for 89% of the diet of birds collected between sunset and midnight, Cladovera represented 76% of the diet between midnight and sunrise, and immature midges and cladocera made up 93% of the diet between sunrise and sunset. Pairs and broods of mallards (Anas platyrhynchos) and gadwalls (A. strepera) contributed most of the use on the impoundments.This publication has 2 references indexed in Scilit:
- Some Nutritional Aspects of Reproduction in Prairie Nesting PintailsThe Journal of Wildlife Management, 1975
- Feeding Ecology of Breeding Blue-Winged TealsThe Journal of Wildlife Management, 1974