Sabu, the beloved 10,000-pound bull elephant, has returned to the Cincinnati Zoo after spending two years away trying to produce offspring.

It’s then that these bull elephant seals — weighing as much as 5,500 pounds — are laser-focused on mating with 1,200-pound females and fighting off other dominant males to defend ownership ...

• Male elephants fan their ears more when they are ready to mate than at other times. This allows them to get their scent out there at a wider distance to attract potential mates.