Whale-watching research encompasses a wide variety of disciplines and fields of study,
from monitoring the biological impacts of whale-watching activities on cetaceans and …

The coastal habit and site fidelity reported for Sotalia guianensis make this species
especially vulnerable to human activities. Thus, ecological studies focusing on the habitat …

We studied habitat use by Hector's dolphins Cephalorhynchus hectori in order to quantify
the influences of location, season, time and tide, and to determine how frequently dolphins …

We investigated aspects of the breeding biology, including the reproductive period, egg
production, and heterosexual pairing of the snapping shrimp Alpheus estuariensis in Pontal …

The habitat use by two neighboring coastal bottlenose dolphin communities (Posorja and El
Morro) was evaluated in the western inner estuary of the Gulf of Guayaquil, Ecuador (3° S …

This study aimed to investigate whether the use of space and movements of Guiana
dolphins were altered during the construction of a cable-stayed bridge at the mouth of the …

Boat engines increase the noise levels of the oceans, alter the acoustic environment of
cetaceans and diminish their efficiency to echolocate. This study aims to determine if Guiana …

Stranded cetaceans have scientific value and may confirm the occurrence of some species
or indicate their geographical distribution in an area. The collection of biological material …

In this study we describe how franciscana and Guiana dolphin habitat use is influenced by
tidal cycles and seasonality in Babitonga Bay. The franciscanas use a greater area in winter …

Understanding environmental and anthropogenic variables that influence the presence of
dolphins in coastal areas is fundamental for conservation planning and forecasting. In this …