We quantified the relative influence of maternal fidelity to feeding grounds and natal fidelity
to breeding grounds on the population structure of humpback whales Megaptera …

CONTEXT AND CONTENT. Context as for the genus. Tomilin (1946) recognized the
southern ocean population as M. n. lalandii (Fischer, 1829) based on differences in total …

We estimated humpback and blue whale abundance from 1991 to 1997 off the west coast of
the US and Mexico comparing capture‐recapture models based on photographically …

Large, migratory predators are often cited as sentinel species for ecosystem processes and
climate‐related changes, but their utility as indicators is dependent upon an understanding …

Despite the extensive use of photographic identification methods to investigate humpback
whales in the North Pacific, few quantitative analyses have been conducted. We report on a …

Humpback whale song, a male breeding display, shows a remarkable degree of similarity
among distant breeding assemblages, despite constant progressive change. It has been …

Humpback whales were hunted commercially in the North Pacific until 1966 and remain on
the endangered species list at the time of this report. The degree to which they have …

Many cetaceans have a wide distribution in one or more oceans, and in some species,
individuals migrate over an extensive range. When breeding sites are geographically distant …

Late maturity, few offspring and a residential nature are typical characteristics of Manta
alfredi that make this species vulnerable to localized anthropogenic threats. Improving its life …

This study presents a detailed seasonal comparison of the abundance and distribution of
cetaceans within 100‐150 nmi (185‐278 km) of the California coast during 1991 and 1992 …