Cooperation-based concept formation in male bottlenose dolphins

Stephanie King, Richard Connor, Michael Krützen & Simon Allen
In Shark Bay, Western Australia, male bottlenose dolphins form a complex nested alliance hierarchy. At the first level, pairs or trios of unrelated males cooperate to herd single females. Multiple first-order alliances cooperate in teams (second-order alliances) in the pursuit and defense of females, and multiple teams also work together (third-order alliances). Yet it remains unknown how dolphins classify these nested alliance relationships. We used 30 years of behavioural data combined with 40 contemporary sound...
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24 downloads reported since publication in 2021.

These counts follow the COUNTER Code of Practice, meaning that Internet robots and repeats within a certain time frame are excluded.
What does this mean?