Juvenile (left) and adult (right) leaves of Stone Pine

A juvenile is an individual organism that has not yet reached its adult form, sexual maturity or size. The (Italian Stone Pine (or Umbrella Pine) ( Pinus pinea; family Pinaceae) is a species of Pine native of Southern Europe in For the 2008 British film by Noel Clarke see Adulthood (film. Sexual maturity is the age or stage when an Organism can reproduce. Juveniles sometimes look very different from the adult form, particularly in terms of their colour.

In many organisms the juvenile has a different name from the adult, see List of animal names. This lists names of animals used depending on the context Many Species of Animals particularly those domesticated have been given specific names for the Male

Young wild boar suckling from adult female. The boar or wild boar ( Sus scrofa) is an Omnivorous, gregarious Mammal of the biological family Suidae. Breastfeeding is the feeding of an Infant or young Child with Breast milk directly from human Breasts, not from a Baby bottle or other Here, juvenile colouring acts as a form of camouflage