Mating and sociosexual behaviors of cetaceans are challenging to study in nature because most species spend only brief periods of

Gray whale sexual behavior and copulation are observed throughout their range. The most prominent period for reproductive behavior is during

This comprehensive species-specific chapter covers all aspects of mammalian biology, including taxonomy, global and European distribution, genetics, morphology, life history,

While beaked whales are the poorest-known family of cetaceans overall, the behavior and ecology of two species of beaked whales,