The giraffe is non-territorial and social; it lives in very loose, open herds with no specific leaders or coordination of herd movement. This structure reflects that a giraffe’s size makes a “safety in numbers” tactic unnecessary, and that the trees they feed on tend to be spaced apart. Dominance between males is established by “necking”—swinging heads at one another in tests of strengthbuffaloes
They are unpredictable and can be dangerous if cornered or wounded. Though they have been known to ambush men and are often accused of deliberate savagery, they are usually placid if left alone.
Buffaloes can live in herds of a few hundred, but have been known to congregate in thousands in the Serengeti during the rainy season. The females and their offspring make up the bulk of the herd. Males may spend much of their time in bachelor groups.