20 years of research on the Guiana dolphin population of Sepetiba Bay, southeastern Brazil: What has changed?

IS Maciel, G Maricato, L Marqui… - Aquatic …, 2023 - Wiley Online Library
Despite the importance of coastal habitats for the provision of many ecosystem services,
these areas are currently among the most impacted by human activities. Impacts on coastal …

Fission-fusion dynamics in black-and-white ruffed lemurs may facilitate both feeding strategies and communal care of infants in a spatially and temporally variable …

SM Holmes, AD Gordon, EE Louis… - Behavioral Ecology and …, 2016 - Springer
Species with greater expression of fission-fusion dynamics show greater variability in the
size, composition, and cohesion of subgroups over time. This may allow their adjustment to …

Common dolphin (Delphinus delphis) fission–fusion dynamics in the south coast of Portugal

J Castro, C Faustino, A Cid, A Quirin, FL Matos… - Behavioral Ecology and …, 2022 - Springer
Animals with fission–fusion dynamics live in fluid societies with varying party sizes. The
joining (fusion) and separation (fission) of these parties is considered a response to costs …

[HTML][HTML] Loner or socializer? Ravens' adrenocortical response to individual separation depends on social integration

M Stocker, A Munteanu, M Stöwe, C Schwab… - Hormones and …, 2016 - Elsevier
Non-breeding common ravens (Corvus corax) live in complex social groups with a high
degree of fission–fusion dynamics. They form valuable relationships and alliances with …

Are dolphin-watching boats routes an effective tool for managing tourism in marine protected areas?

DC de Freitas, JEA dos Santos, PCM da Silva… - Ocean & Coastal …, 2021 - Elsevier
Guiana dolphin, Sotalia guianensis, is endangered and is one of the main target species for
dolphin-watching in Brazil. This study aimed to investigate the compliance of routes of …

Habitat use by the Guiana dolphin (Sotalia guianensis)(Cetartiodactyla: Delphinidae) in southeastern Brazil

A Ribeiro-Campos, KS Pereira, CEP Quintana… - Regional Studies in …, 2021 - Elsevier
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 …

Group characteristics and spatial organization of the Eastern Beaufort Sea beluga whale (Delphinapterus leucas) population using aerial photographs

A Mayette, L Loseto, T Pearce… - Canadian Journal of …, 2022 - cdnsciencepub.com
While it is known that beluga whales (Delphinapterus leucas (Pallas, 1776)) are social
animals, sociality within populations remains complex and poorly understood. Using aerial …

Assessing the dynamics of common dolphin (Delphinus delphis) mother‐calf pairs along the south coast of Portugal using unmanned aerial vehicles

J Castro, A Cid, A Quirin, FL Matos… - Marine Mammal …, 2024 - Wiley Online Library
Maternal grouping dynamics involve trade‐offs between:(1) infant protection from predation
(predation hypothesis),(2) infant protection from male harassment (infant safety hypothesis) …

Guiana dolphins form social modules in a large population with high ranging overlap and small demographic changes

L Beirão-Campos, M Cantor, L Flach… - Behavioral ecology and …, 2016 - Springer
The number and strength of social relationships are generally the products of group living
trade-offs. However, they can be at least partially influenced by asocial factors such as the …

Boto (Inia geoffrensis—Cetacea: Iniidae) aggregations in two provisioning sites in the lower Negro River—Amazonas, Brazil: are they related?

W Gravena, T Hrbek, VMF da Silva, IP Farias - PeerJ, 2019 - peerj.com
The Negro River currently has seven floating houses where tourists can feed and interact
with botos, each with its own history of how these aggregations were formed. Some keepers …