As the lifespan of an adult Japanese rhinoceros beetle is a maximum of about two to three weeks in the wild, mating is believed to be programmed to be a once-in-a-lifetime event.

CINCINNATI -- With the survival of a species on the line, Cincinnati Zoo scientists are hoping to mate their lone female Sumatran rhino with her little brother. The desperation breeding effort with ...

A group of researchers including Wataru Kojima, an associate professor of animal ecology at Yamaguchi University's Graduate School of Sciences and Technology for Innovation, has found that most female ...