Related topics: females

Fishing can disrupt mating systems

In many fish species body size plays an important role in sexual selection. Large individuals are preferred mating partners because they can enhance offspring survival by providing better quality resources than small individuals. ...

Nature takes back world's empty city streets

As humans retreat into their homes as more and more countries go under coronavirus lockdown, wild animals are slipping cover to explore the empty streets of some of our biggest cities.

Male size advantage drives evolution of sex change in reef fish

Some species of fish, notably parrotfish and wrasses living on coral reefs, change their biological sex as they age, beginning life as females and later becoming functionally male. New work from the University of California, ...

Monogamous female sea turtles? Yes, thanks to sperm storage

Like most other species, male sea turtles will mate with any female sea turtle they can. However, when it comes to female sea turtles and mate selection, it's a little more complex. Sea turtles are known to have multiple ...

Social networks reveal dating in blue tits

Winter associations predict social and extra-pair mating patterns in blue tits. Researchers of the Max Planck Institutes for Ornithology in Seewiesen and for Animal Behavior in Radolfzell show in their new study that blue ...

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