Search Results

Ageing and reproductive effort in male moose under variable levels of intrasexual competition

by MYSTERUD, ATLE, SOLBERG, ERLING J., YOCCOZ, NIGEL G.
Published in Journal of Animal Ecology (2005)

A comment on the age at onset of breeding of male Weddell seals ( Leptonychotes weddellii )

by Testa, J. Ward
Published in Canadian Journal of Zoology (1997)

Grey seal ( Halichoerus grypus ) from the Northwest Atlantic: female reproductive rates, age at first birth, and age of maturity in males

by Hammill, M. O., Gosselin, J. F.
Published in Canadian Journal of Fisheries and Aquatic Sciences (1995)

Stratification and age-related differences in blubber fatty acids of the male harbour porpoise (Phocoena phocoena)

by Koopman, H. N., Iverson, S. J., Gaskin, D. E.
Published in Journal of Comparative Physiology B (1996)

Influence of operational sex ratio and male age on mating competition intensity in reindeer ( Rangifer tarandus )

by Driscoll, Jeffrey G., Alo, Franco M., Paoli, Amélie, Weladji, Robert B., Holand, Øystein, Kumpula, Jouko, Soveri, Timo
Published in Ethology Ecology & Evolution (2021)

Influence of operational sex ratio and male age on mating competition intensity in reindeer ( Rangifer tarandus )

by Driscoll, Jeffrey G., Alo, Franco M., Paoli, Amélie, Weladji, Robert B., Holand, Øystein, Kumpula, Jouko, Soveri, Timo
Published in Ethology Ecology & Evolution (2022)

Influence of age and individual identity in the use of breeding colony habitat by male Weddell seals in Erebus Bay, Antarctica

by Brusa, Jamie L., Rotella, Jay J., Garrott, Robert A.
Published in Marine Mammal Science (2021)

Male age structure influences females’ mass change during rut in a polygynous ungulate: the reindeer (Rangifer tarandus)

by Holand, Ø., Weladji, R. B., Røed, K. H., Gjøstein, H., Kumpula, J., Gaillard, J.-M., Smith, M. E., Nieminen, M.
Published in Behavioral Ecology and Sociobiology (2005)

Territorial behavior and breeding frequency of male Weddell seals ( Leptonychotes weddelli...

by Bartsh, Sherie S., Johnston, Shirley D., Siniff, Donald B.
Published in Canadian Journal of Zoology (1992)

Discovery of Swimming Males of Paratanaoidea (Tanaidacea)

by Błażewicz-Paszkowycz, Magdalena, Jennings, Robert M., Jeskulke, Karen, Brix, Saskia
Published in Polish Polar Research (2014)

Variance in lifetime reproductive success of male polar bears

by Richardson, Evan S, Davis, Corey, Stirling, Ian, Derocher, Andrew E, Lunn, Nicholas J, Malenfant, René M
Published in Behavioral Ecology (2020)

Fusion of the distal femoral epiphysis in male and female marten and fisher

by Dagg, A. I., Leach, D., Sumner-Smith, G.
Published in Canadian Journal of Zoology (1975)

Mass change in fasting immature male northern fur seals

by Baker, Jason D., Fowler, Charles W., Antonelis, George A.
Published in Canadian Journal of Zoology (1994)

Immunocompetence and testosterone-induced condition traits in male ruffs (Philomachus pugnax)

by Lozano, Lank
Published in Animal Biology (2004)

Plasma testosterone concentrations of captive male hooded seals ( Cystophora cristata )

by Noonan, L. M., Ronald, K., Raeside, J.
Published in Canadian Journal of Zoology (1991)

TOOTH WEIGHTS OF JUVENILE MALE NORTHERN FUR SEALS, CALLORHINUS URSINUS

by Baker, Jason D., Fowler, Charles W.
Published in Marine Mammal Science (1990)

Observations of aggregating behaviour in adult male polar bears ( Ursus maritimus )

by Derocher, Andrew E., Stirling, Ian
Published in Canadian Journal of Zoology (1990)

Precocious Male Atlantic Salmon Parr ( Salmo salar ) in Insular Newfoundland

by Dalley, E. L., Andrews, C. W., Green, J. M.
Published in Canadian Journal of Fisheries and Aquatic Sciences (1983)

At-sea behavior of juvenile male northern fur seals ( Callorhinus ursinus )

by Sterling, J T, Ream, R R
Published in Canadian Journal of Zoology (2004)

BODY WEIGHT and GROWTH OF JUVENILE MALE NORTHERN FUR SEALS, CALLORHINUS URSINUS

by Baker, Jason D., Fowler, Charles W., Antonelis, George A.
Published in Marine Mammal Science (1994)