Longitudinal data on individual growth and seasonal changes in body mass, girth, and
blubber thickness are rarely available for cetaceans, making it difficult to assess their …

Key Words: mating behavior, sexual interactions, breaching, laterality, sperm competition,
The Golden Gate Bridge in San Francisco Bay pro- San Francisco Bay vides a non-invasive …

The harbor porpoise (Phocoena phocoena) is one of the most abundant coastal cetacean
species in the Northern Hemisphere with differential levels of regional knowledge. Gaps are …

Little is known about harbor porpoises at the individual level or local group structure. Group
characteristics, site fidelity, and photo‐identification of harbor porpoises were investigated …

Historically, traditional photo-identification (photo-ID) methods have been applied to
cetaceans with relatively small group sizes, closed and/or small populations, distinctive …

The Indo-Pacific finless porpoise (Neophocaena phocaenoides) occurs year-round in
waters of southern and eastern Hong Kong. The population biology of the population was …

Natural marks occurring in cetaceans are used to measure population parameters, social
structure and movements. However, the changeable nature of these marks can originate …

Harbor porpoises (Phocoena phocoena) were Herein, we report an instance that counters
the rarely seen in San Francisco Bay prior to 2008 global trend of biodiversity loss in …

Sexual selection influences both genital diversity and mating behaviors, yet the integrated
coevolution of pre-(behavioral) and postcopulatory (anatomical) traits in both sexes has …

Passive acoustic monitoring is a promising approach for monitoring long-term trends in
harbor porpoise (Phocoena phocoena) abundance. Before passive acoustic monitoring can …