The smaller Hermanns (Hermanni) tortoises only lay 2-3 eggs per clutch. In contrast, tropical tortoises such as Leopard tortoises can produce on average between 6-20 eggs or more each month for up to approximately 7 months of the year. The eggs are large and are similar in size and shape to a ping pong ball.n the wild, most egg laying activity would take place in spring or early summer, to allow the hatchlings to grow a little before their first hibernation. There is, however, no set breeding season for the majority of tortoises in captivity and egg production can take place at any time of year.