But then she kept identifying different black males as the perpetrator.

Females can have more than one clutch of eggs each breeding season with different males.

With sexual selection the success of different males varies highly.

Here was the same female and a different male, both covered.

A female's gestation period is between 125-142 days and will usually consist of the female mating with up to 6 different males.

It was a different male who at last brought Him down and became He.

Rather than remaining with a single male, females may visit up to three different males.

So we subsequently tried to introduce two different males to the group.

Size is a factor in the success rates between different males who compete for a female.

Females often spawn in the nests of several different males.