This is the second volume of the entirely rewritten, revised and updated version of the
original FAO Catalogue of Cephalopods of the World (1984). The present Volume is a …

The abundance of California sea lions (Zalophus californianus)(CSLs) and Guadalupe fur
seals (Arctocephalus philippii townsendi)(GFSs) from the San Benito Archipelago (SBA) was …

Stable isotope and scat analyses were used in concert to determine trophic level and dietary
overlap among California sea lions from different rookeries in the Gulf of California. Isotopic …

The feeding behavior of marine predators varies with the level of competition to which they
are exposed. Populations living in the same or overlapping geographic regions (sympatric) …

Individual specialisation is increasingly recognised to be an ecological and evolutionary
process having important consequences for population dynamics of vertebrates. The South …

From fall 2013 through 2015, a large-scale, multi-year warm water anomaly occurred in the
northeast Pacific Ocean. The phenomenon had negative impacts on some oceanic …

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

Abstract In Uruguay, the South American fur seal population (Arctocephalus australis) is
increasing, whereas the South American sea lion (Otaria flavescens) population is declining …

Sea lions are generally considered opportunistic feeders. However, studies from different
areas suggest their diet consists mostly of four to five types of prey. Previous studies in …

Most competition studies between species are conducted from a population-level approach.
Few studies have examined inter-specific competition in conjunction with intra-specific …