权威例句
Age-Dependent Sexual Selection in Bighorn RamsA Sightability Model for Bighorn Sheep in Canyon HabitatsCougar predation on bighorn sheep in southwestern Alberta during winterSite fidelity and seasonal range use by bighorn rams.Consistency of temperament in bighorn ewes and correlates with behaviour and life historyPredator-induced natural selection on temperament in bighorn ewes.Life History Consequences of Variation in Age of Primiparity in Bighorn EwesINDIVIDUAL DIFFERENCES, LONGEVITY, AND REPRODUCTIVE SENESCENCE IN BIGHORN EWESSelfish mothers: reproductive expenditure and resource availability in bighorn ewesDetermination of Critical Habitat for the Endangered Nelson's Bighorn Sheep in Southern California