Unrelated wandering male tigers typically get rid of cubs to make the woman receptive, given that the tigress may well give birth to a further litter within just 5 months if the cubs of the former litter are missing. Cubs weigh from 780 to 1,600 g (28 to 56 oz) every at delivery, and are born with eyes shut. The tiger mates all 12 months spherical, but most cubs are born concerning March and June, with a 2nd peak in September.