Food sharing Activity Pattern Avahi laniger is nocturnal. They are most active just after dusk and just before dawn. They take a long siesta around midnight. Occasionally they will start feeding an hour before sunset and continue an hour or two after dawn. An owl pellet has been recovered which either contains the remains of an Avahi or a Hapalemur griseus griseus.
Groups are monogamous pairs and their off-spring.
Group size 2-5. The home range area is about 2.1ha. Night range 300-620m. Territoriality Ranges are non-overlapping. Occasionally will rub their chin and throat against a branch.