Canadian Journal of Zoology, Ahead of Print. Host populations can vary in the prevalence and intensity of their parasites, which may influence the impacts of infection on host physiology and health. Parasite-induced effects on hosts may be due to unde…
Canadian Journal of Zoology, Ahead of Print. The mechanisms regulating plumage coloration appear to be phylogenetically conserved in avian species: the plesiomorphic character state is estrogen-dependent regulation, while testosterone, luteinizing hor…
Canadian Journal of Zoology, Ahead of Print. Crowding induces behavioural and lasting morphological and chromatic changes in insects. This study examined how larval rearing density of Propylea dissecta (Mulsant, 1850) affected food choice and developm…
Canadian Journal of Zoology, Ahead of Print. Body temperature is a key physiological trait for individual fitness. Its effects on behavior and metabolism determine organismal activity. Optimal body temperature can vary among individuals, and consequen…
Canadian Journal of Zoology, Ahead of Print. The health of wildlife plays a crucial role in population demography by connecting habitat and physiology. Southern mountain caribou, a population of woodland caribou (Rangifer tarandus caribou (Gmelin, 197…
Canadian Journal of Zoology, Ahead of Print. Apex predators exert suppressive effects on mesocarnivores; however, they also provide important carrion subsidies. Optimal foraging theory predicts that individuals respond to resource competition by using…
Canadian Journal of Zoology, Ahead of Print. Variation in reproductive success is the basis of evolution and allows species to respond to the environment, but only when it is based on fixed individual variation that is heritable. Several recent studie…
Canadian Journal of Zoology, Ahead of Print. Non-native species can react to changes to their thermal environment by altering their feeding behaviour, thereby potentially causing shifts in predator–prey dynamics and competitive dominance over native s…
Canadian Journal of Zoology, Ahead of Print. The present work was aimed at evaluating whether females of a freshwater shrimp, Neocaridina davidi (Bouvier, 1904), allocate differentially to reproduction when reared in the presence of males and in the p…
Canadian Journal of Zoology, Ahead of Print. Cisco (Coregonus artedi Lesueur, 1818) in the Laurentian Great Lakes declined throughout the 19th and 20th centuries. Managers are attempting to restore Great Lakes cisco and other coregonines using multipl…