copulation

The grass grows and the horse is ruttish, how reasonable the natural is in turn. The copulation in mule market has become the common thing.

Another contemporary usage dates from 1918 and means copulation, and is probably related to the slang term "jism.

The copulation between the two animals resulted in offspring.

Some species engage in copulation for reproductive purposes.

The copulation process can vary greatly among different animal species.

Copulation is a natural behavior in many organisms.

The duration of copulation can range from a few seconds to several hours.

Some birds perform elaborate courtship displays before copulation.

Copulation is essential for the continuation of many species.

The male initiates copulation by approaching the female and displaying specific behaviors.

Copulation in mammals often involves complex mating rituals.

The copulation behavior of insects can be influenced by various environmental factors.

The rituals displayed can convey reproductive fitness or they can just trick reluctant mates into copulation.

Particularly when they are engaged in other activities, like copulation, which requires coming partway out of the shell.

(Laughter) Now, we define extra-pair copulation as the mating outside of a pair bond.

She said there was forced copulation the whole time she was here.

The forced copulation? - We don't know that.

For males, it might just be a few moments of copulation and that's it.

CHRISTINE WILKINSON: These lezzy lizzies actually simulate copulation with each other, which increases their fertility.

Researchers tested to see whether showing several demonstrations of copulation would lead to a higher percentage of learned mate preference.

Longer bacula can help a male compete, because they're associated with what's called prolonged intromission, or longer periods of copulation.

But is there anything above and beyond that that is the result of actual copulation and interacting with those spines?