Orcinus orca (Cetacea; Delphinidae in coastal waters of the State of Rio de Janeiro)
With the aim of updating and complementing records of occurrences of orcas (Orcinus orca) in the state of Rio de Janeiro (21°18'S ; 23°21'W), this paper brings together new information on sightings of this species.
Occurrences and Conservation of Cetaceans in Ilha Grande Bay, South Coast of the State of Rio de Janeiro
Between December 1990 and February 1994, a survey was carried out on the occurrence of cetaceans and the possible threats to their conservation in the region of Ilha Grande bay
The rough-toothed dolphin (Steno bredanensis) in Brazil
This paper compiles the available records (n = 87) of incidental captures, strandings and sightings of rough-toothed dolphins (Steno bredanensis) off the Brazilian coast between 1940 and 1997.
Investigating a Mass Stranding of Rough-Toothed Dolphins in Brazil
On the evening of July 11 or early in the morning of July 12, 1997, a group of six rough-toothed dolphins (Steno bredanensis), consisting of five adults and one juvenile, live-stranded in a mangrove swamp near the mouth of the Cairuçu River, in Mamanguá Gulf
Mass stranding of Rough-toothed Dolphins, Steno bredanensis, in Ilha Grande Bay, Rio de Janeiro
On 11/7/97, six rough-toothed dolphins, Steno bredanensis, (5 adults and 1 juvenile); ran aground alive in the mangrove at the mouth of the Cairuçu River, Saco do Mamanguá, Baía da Ilha Grande (Rio de Janeiro).
Cleptoparasitism between frigate birds (Fregata magnificens) and gray dolphins (Sotalia fluviatilis) in Paraty Bay, Rio de Janeiro, Brazil
This study adds a new type of association between cetaceans and seabirds during fishing events that has not yet been reported in the literature: kleptoparasitism between frigate birds, Fregata magnificens, and gray dolphins, Sotalia fluviatilis, in the Paraty Bay region.
Bryde’s whale (Cetartiodactyla: Balaenopteridae) occurrence and movements in coastal areas of southeastern Brazil
Bryde’s whales, Balaenoptera edeni Anderson, 1879, were observed on 17 occasions (N = 21 surveys) in the coastal waters off Rio de Janeiro in southeastern Brazil during austral summer through autumn 2014.
ROUGH-TOOTHED DOLPHIN, Steno bredanensis, FEEDING BEHAVIORS IN ILHA GRANDE BAY, BRAZIL
Feeding behaviors by rough-toothed dolphins, Steno bredanensis (Lesson, 1828), were opportunistically observed on seven occasions, in Ilha Grande Bay, Brazil southeastern coast, from 1990-1998.