Northern giraffe are considered Vulnerable to extinction by the IUCN. In 2016, around 97,000 individuals from all subspecies were present in the wild. There are currently 5,195 northern giraffes. In the current IUCN taxonomic scheme there is only one species of giraffe with the name "G. camelopardalis" and nine subspecies. Three subspecies of northern giraffes are proposed. The giraffes have two horn-like protuberances known as ossicones on their foreheads. The northern giraffe's are longer and larger than that of the southern giraffes', though male northern giraffes have a third cylindrical ossicone in the center of the head just above the eyes which
Giraffe ratio of small to large intestine. The liver of the giraffe is small and compact. A gallbladder is generally present during fetal life, but it may disappear before birth. Giraffes usually inhabit savannahs and open woodlands. They prefer Acacieae, "Commiphora", "Combretum" and open "Terminalia" woodlands over denser environments like "Brachystegia" woodlands. The Angolan giraffe can be found in desert environments. Giraffes browse on the twigs of trees, preferring trees of the subfamily Acacieae and the genera "Commiphora" and "Terminalia", which are important sources of calcium and protein to sustain the giraffe's growth rate. They also feed on shrubs, grass and