Kitten

The young of big cats are called cubs rather than kittens. Either term may be used for the young of smaller wild felids such as ocelots, caracals, and lynx, but "kitten" is usually more common for these species.
Birth and development
A feline litter usually consists of two to five kittens. The kits are born after a gestation that lasts between 64 and 67 days, with an average length of 66 days. Kittens emerge in a sac called the amnion which is bitten off and eaten by the mother cat.