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

You can now read our article about the fission–fusion dynamics of common dolphins in the south coast of Portugal. 

Castro, J., Faustino, C., Cid, A., Quirin, A., Matos, F. L., Rosa, R. and Pearson, H.C. 
Common dolphin (𝘋𝘦𝘭𝘱𝘩𝘪𝘯𝘶𝘴 𝘥𝘦𝘭𝘱𝘩𝘪𝘴) fission–fusion dynamics in the south coast of Portugal. 𝘉𝘦𝘩𝘢𝘷 𝘌𝘤𝘰𝘭 𝘚𝘰𝘤𝘪𝘰𝘣𝘪𝘰𝘭 76, 128 (2022).

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 and benefits associated with grouping. This study investigates which factors influence grouping and fission–fusion dynamics in common dolphins (Delphinus delphis) in Portugal. Between June and October of 2016 and 2017, 94 boat-based group focal follows were conducted, resulting in 2410, 2-min behavioral samples. Using generalized linear models, we examined how mother-calf pair presence, behavioral state, and temporal variability influence party size. 

Read the full article about the fission-fusion dynamics of the common dolphins in the South of Portugal.

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