11.   But the great cats do not establish class systems along gender lines, as social animals usually do.

12.   But the idea that man is a social animal, more concerned with relative rank and status than with absolute well-being, sits awkwardly with economics.

13.   Carnivores need meat, migratory animals need motion, and social animals must socialize.

14.   Cats that have human contact at an early age usually become very social animals.

15.   Dogs are more social, and social animals generally speaking have a higher intelligence.

16.   Expressions can communicate emotions faster, more subtly and more effectively than words, which is why facial expressions remain crucial for humans as social animals.

17.   He is a social animal who needs others to burnish his own identity.

18.   Human beings remain social animals.

19.   Humans may be the most intelligent species, but ants, along with termites and honeybees, are the ultimate social animals.

20.   In preparation for the filming, animal trainers begged her to use a tiger or a lion instead, because they are more social animals.