Let us spray: River dolphins launch pee streams into air
Briefly

In Amazonian folklore, male river dolphins, known as encantade, transform into men to seduce women. Although a study by Canadian biologists found no shapeshifting, they observed male dolphins engaging in unique behaviors resembling a 'pissing contest'. The dolphins would display their genitalia and deliberately urinate high into the air, suggesting a possible form of communication or social bonding, rather than just a simple biological act. Their findings, documented in the journal Behavioral Processes, highlight remarkable social behaviors in these cetaceans.
This behavior could serve as a form of chemical sensory communication and not merely a need to relieve themselves.
Read at Ars Technica
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