In the animal kingdom, survival and reproduction shape behavior far more than gender roles. This documentary explores how ...

The following is an extract from our nature newsletter Wild Wild Life. Sign up to receive it for free in your inbox every month. I have only vague memories of school sex education lessons. But I’m ...

The most widespread reproductive rhythm practiced in rabbit farming is based on artificial insemination (AI) performed at around 11 days pospartum. This approach results in high production rates, but ...

It can be hard to know if someone is really into you. Sometimes, you get hints — a certain look or smile, a nervous blush or flirtation. Giraffes get none of that. They have no set breeding season.

Wildlife researchers can obtain information from fecal samples on animals’ reproductive status, parentage, genetic relationships, and presence of parasites or viruses, such as Zika. Scientists ...

1. Mormon Crickets and Mating Meals -- 2. Katydids, Longhorns, and Bush-Crickets: Diversity and Evolution of the Tettigoniidae -- 3. What Katy Did: Habits and Life Cycles of Tettigoniids -- 4.

We evaluated the effects of two types of colony cages, in which rabbit does were always in a group (C1), and where they were in combi cages furnished with removable internal walls to allow both ...

Observations of a wild colony of macaques over three years show same-sex sexual behavior among males is widespread and may be beneficial. The results, published today in Nature Ecology and Evolution, ...

When the moon hits L-Cry like a big pizza pie, that’s amore—or at least a mass spawning event for marine worms. The underlying biology that allows these animals to sync up with lunar rhythms remains ...