FOODS CONSUMED BY BREEDING MALLARDS ON WETLANDS OF SOUTH-CENTRAL NORTH-DAKOTA

[1] COWARDIN L M, 1981, Wildlife Society Bulletin, V9, P280

[2] MATHEMATICS AND MALLARD MANAGEMENT [J]. JOURNAL OF WILDLIFE MANAGEMENT, 1979, 43 (01) : 18 - 35

[3] SEASONAL AND DIEL CHANGES IN THE FEEDING-BEHAVIOR OF SOME DABBLING DUCK SPECIES ON A BREEDING LAKE IN NORTHERN SWEDEN [J]. ORNIS SCANDINAVICA, 1982, 13 (02): : 129 - 134

[4] DEMENTEV GP, 1967, BIRDS SOVIET UNION, V4

[5] USE OF PRAIRIE POTHOLE HABITAT BY BREEDING MALLARDS [J]. JOURNAL OF WILDLIFE MANAGEMENT, 1979, 43 (02) : 526 - 531

[6] DUCK NESTING IN INTENSIVELY FARMED AREAS OF NORTH-DAKOTA [J]. JOURNAL OF WILDLIFE MANAGEMENT, 1977, 41 (02) : 232 - 242

[7] WATERFOWL PRODUCTION IN RELATION TO GRAZING [J]. JOURNAL OF WILDLIFE MANAGEMENT, 1969, 33 (04) : 821 - &

[8] KRAPU GL, 1981, AUK, V98, P29

[9] Perret NG, 1962, THESIS U BRIT COLUMB

[10] FEEDING-ACTIVITY OF DUCKS IN RELATION TO DIEL EMERGENCE OF CHIRONOMIDS [J]. CANADIAN JOURNAL OF ZOOLOGY-REVUE CANADIENNE DE ZOOLOGIE, 1982, 60 (06): : 1383 - 1387

[1] COWARDIN L M, 1981, Wildlife Society Bulletin, V9, P280

[2] MATHEMATICS AND MALLARD MANAGEMENT [J]. JOURNAL OF WILDLIFE MANAGEMENT, 1979, 43 (01) : 18 - 35

[3] SEASONAL AND DIEL CHANGES IN THE FEEDING-BEHAVIOR OF SOME DABBLING DUCK SPECIES ON A BREEDING LAKE IN NORTHERN SWEDEN [J]. ORNIS SCANDINAVICA, 1982, 13 (02): : 129 - 134

[4] DEMENTEV GP, 1967, BIRDS SOVIET UNION, V4

[5] USE OF PRAIRIE POTHOLE HABITAT BY BREEDING MALLARDS [J]. JOURNAL OF WILDLIFE MANAGEMENT, 1979, 43 (02) : 526 - 531

[6] DUCK NESTING IN INTENSIVELY FARMED AREAS OF NORTH-DAKOTA [J]. JOURNAL OF WILDLIFE MANAGEMENT, 1977, 41 (02) : 232 - 242

[7] WATERFOWL PRODUCTION IN RELATION TO GRAZING [J]. JOURNAL OF WILDLIFE MANAGEMENT, 1969, 33 (04) : 821 - &

[8] KRAPU GL, 1981, AUK, V98, P29

[9] Perret NG, 1962, THESIS U BRIT COLUMB

[10] FEEDING-ACTIVITY OF DUCKS IN RELATION TO DIEL EMERGENCE OF CHIRONOMIDS [J]. CANADIAN JOURNAL OF ZOOLOGY-REVUE CANADIENNE DE ZOOLOGIE, 1982, 60 (06): : 1383 - 1387