Giraffes have buff background coloration broken by brown blotches. Their color grows darker with age and each giraffe has unique markings. Giraffes are the tallest of all animals and can reach up to 18 feet in height. Their shoulder height is up to 12 feet. Both male and female giraffes have horn-like projections called ossicones. Males weigh between 1700-4000 lbs. and females from 1200-2500 lbs.