Wrasses are reef fish where the largest female can transform into a male if the dominant male is lost. This change ensures that there is always a male available to mate with the females in the group, ...

Animal reproduction and breeding encompasses the full spectrum of natural, assisted and genetic processes that underpin the perpetuation, improvement and conservation of species across diverse taxa.

In the animal world, nature has come up with some clever ways to help species survive, and one of the most surprising is that some animals can actually change their gender. It might sound unusual, but ...

Animal mothers exhibit remarkable resilience and ingenuity when raising large litters. Species like the tailless tenrec and ...

Nature's reproductive wonders are revealed as several female animals, including Komodo dragons, sharks, and even birds like ...

Cody Cottier is a freelance journalist for Discover Magazine, who frequently covers new scientific studies about animal behavior, human evolution, consciousness, astrophysics, and the environment.

For 35 years, American zoologist Laurie Marker has been collecting and storing specimens in a cheetah sperm bank in Namibia, hoping conservationists never have to use them. Marker says the sperm bank ...

The menstrual cycle plays an essential role in human reproduction. However, most other animals don't experience menstruation. So, which other species have periods, and what's the evolutionary point of ...

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For 35 years, American zoologist Laurie Marker has been collecting and storing specimens in a cheetah sperm bank in Namibia, ...