When it comes to mating, some are keener to get amongst it than others.
One rabbit can have 1000 babies in their lifetime, mice are ready for action at six weeks old and believe it or not, an aphid is born pregnant and gives birth 10 days later.
But when it comes to the tuatara, it seems good things take time. What's the hurry when you live until you're 300 years old?
Bringing the love is the mission of wildlife experts at Rainbow Springs in Rotorua, where there's a new man in town.
Malone has a trio of ladies to pick from and Story went to meet the team who are making sure the conditions are ideal for the endangered reptiles.
Watch the video for the full Story report.