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Harvest mice (Micromys minutus)

Female mice release banana-scented urine when pregnant to deter males

20 May 2022

Pregnant and lactating female mice release a banana-smelling chemical in their urine that is thought to stress out males so they don’t commit infanticide
Bottlenose dolphins

Bottlenose dolphins can identify friends by tasting their urine

20 May 2022

We already knew that bottlenose dolphins recognise each other through their signature whistles, but now it seems the taste of their urine also plays a role

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