Live in packs or solo: Galapagoes tortoise have generally been considered solitary. However, they often sleep and graze together.
Roles within community: there is no leader or aplha, they simply travel together.
Male or Female led groups: there are no leaders in groups.
Individuals that make up the group: just some tortoises hanging out
How do they interact with each other: Tortoises have several ways of communicating with each other. The only known vocalization in Galapagos tortoises is the sound that males make when mating — a bellowing, periodic “groan” that sounds similar to a loudly mooing cow. Female tortoises make no vocalizations at all. The main method of tortoise communication is behavioral. Like many other species, they have ways of conveying dominance and defending themselves. Competing tortoises will stand tall, face each other with mouths agape, and stretch their necks up as high as possible. The highest head nearly always “wins,” while the loser retreats submissively into the brush.