Reproductive costs represent a significant proportion of a mammalian female's energy
budget. Estimates of reproductive costs are needed for understanding how alterations to …

Comparative physiology has developed a rich understanding of the physiological
adaptations of organisms, from microbes to megafauna. Despite extreme differences in size …

Aim Marine biodiversity faces unprecedented threats from anthropogenic climate change.
Ecosystem responses to climate change have exhibited substantial variability in the …

Understanding variation in the diets of endangered species during critical time periods in
their annual cycle is of utmost importance because of the effects that diet can have on vital …

Body size and feeding morphology influence how animals partition themselves within
communities. We tested the relationships among sex, body size, skull morphology and …

Phocid seals have a highly derived reproductive strategy characterized by the separation of
feeding and reproduction, oftentimes across considerable spatial and temporal scales …

Many marine mammal populations are recovering after long eras of exploitation. 1, 2 To
what degree density-dependent body size declines in recovering species reflect a general …

Lactating Steller sea lions (SSL; Eumetopias jubatus) are income breeders, which balance
the energetic cost of provisioning a pup with alternating periods of foraging at sea and …

Extraordinary diversity of the pinniped lactation triad: lactation and growth strategies of seals,
sea lions, fur seals, and walruses | Animal Frontiers | Oxford Academic Skip to Main Content …

Several remains of fossil phocids (ie, true seals) have been consistently reported from the
Late Miocene and Pliocene strata from the southwestern coast of South America. These …