Related topics: females · sperm

Mosquitofish genitalia change rapidly due to human impacts

The road that connects also divides. This dichotomy – half-century-old roads connecting portions of Bahamian islands while fragmenting the tidal waters below – leads to rapid and interesting changes in the fish living ...

When sex roles get reversed, some females develop a 'penis'

In many species, the males develop elaborated sexual traits to attract females and dissuade potential rival males through competition. Some iconic examples are the extraordinary feathers of the peacock or paradise birds, ...

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