Fred C. Zwickel

A Snare for Capturing Blue Grouse

Fred C. Zwickel, James F. Bendell · Journal of Wildlife Management · 1967 · 93 citations

Vancouver Island, Engineering, Wildlife Ecology +11

CHARACTERISTICS AND ECOLOGICAL SIGNIFICANCE OF HAY PILES OF PIKAS

John S. Millar, Fred C. Zwickel · Mammalia · 1972 · 66 citations

Engineering, Land Use, Soil Science +4

EARLY MORTALITY AND THE REGULATION OF NUMBERS IN BLUE GROUSE

Fred C. Zwickel, James F. Bendell · Canadian Journal of Zoology · 1967 · 52 citations

Breeding Behavior, Engineering, Fitness +14

Removal and Repopulation of Blue Grouse in an Increasing Population

Fred C. Zwickel · Journal of Wildlife Management · 1972 · 44 citations

Wildlife Ecology, Habitat Loss, Evolutionary Biology +5

Determination of age, age structure, and mortality of the pika, <i>Ochotona princeps</i> (Richardson)

John S. Millar, Fred C. Zwickel · Canadian Journal of Zoology · 1972 · 38 citations

Biology, Maximum Age, Axial Skeleton +13