Capture‐recapture methods are frequently employed to estimate abundance of cetaceans
using photographic techniques and a variety of statistical models. However, there are many …

Most species of baleen whales were subject to intensive overexploitation by commercial
whaling in this and previous centuries, and many populations were reduced to small …

Six baleen whale species are found in the temperate western North Atlantic Ocean, with
limited information existing on the distribution and movement patterns for most. There is …

'Erich Hoyt's handbook is an admirable, timely and highly welcome contribution.'Michael
Stachowitsch, Marine Ecology What does it mean to save the whales if their habitat is left …

The use of photography to discriminate between individuals in a population using natural
markings or aberrations is increasingly being utilized to support field research on …

Aggressive behaviour is rarely observed, but may have a large impact on the social
structure, relationships and interactions in animal societies. Long-term behavioural study of …

Photographic identification of naturally marked animals is a powerful and nonintrusive
technique for obtaining information on behavior, population size, and life-history parameters …

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 …

Antarctic blue whales (Balaenoptera musculus intermedia) are the largest and formerly most
abundant blue whale subspecies, but were hunted to near extinction last century. Estimated …

Background Effective approaches for the management and conservation of wildlife
populations require a sound knowledge of population demographics, and this is often only …