Giraffes have a very long neck and long legs. Giraffes are the tallest land animals on Earth, with necks that can be up to 2-2.4 m (6.6-7.9 ft) in length. Fully grown giraffes stand tall, with males taller than females. The tallest recorded male was and the tallest recorded female was tall. The average weight is for an adult male and for an adult female. Maximum weights of and having been recorded for males and females, respectively. They have a long black tongue, up to 45 cm in length. This they use to wrap around leaves and pull them off trees.