Sentence examples for begin copulating from inspiring English sources

All of the females analysed were fecund and observed to begin copulating under natural field conditions with their mate of choice, showing that they were both sexually mature and receptive to mating.

After a pair bond is formed, during the "honeymoon period" the male tern actually feeds the female, and soon thereafter they begin to copulate.

Yet males that hook up with the wrong queens don't realize that they've made a bad choice until they begin to copulate, say the scientists who studied these pairings in a series of closely controlled experiments.

Within seconds they began to copulate.

Plus, he notes, the largely aquatic turtles mate in open waters and often begin to sink when they're copulating -- which is no problem in most lakes but proved fatal in the Messel pit lake.

Johnson & Johnson has developed Priligy, a pill aimed at men who ejaculate before copulating or within seconds of beginning.

However, the beetles may likewise get tainted directly through copulating.

Circa 33,000 BC, Cro-Magnon man, in the Lascaux region of France, began decorating cave walls with images that included lactating women and copulating couples.

Other analysts begin to drift up toward the roof, too, and there's a sickly jubilant kind of orgy scene as some of them begin to copulate in midair while Tom realizes that the bearhug he's caught in represents a "metaphoric patriarchal rape".

(She thinks of dogs copulating and fends him off).

The boats seem fused, mated involuntarily, like dogs copulating.