Complex sentence: Ovulation among female tamarins typically occurs between 12 and 17 months whereas male tamarins Sperm production occurs slightly later in age at about 13 to 18 months.
Split into simpler sentences: Ovulation among female Tamarins typically occurs between 12 and 17 months of age. Male Tamarins Sperm production occurs slightly later in age at about 13 to 18 months.