11.   Before it does, the society wants to know if contraception affects equine health or alters social behavior of mustang herds, said its president, Karen Sussman.

12.   A refined family tree will provide better clues on how the complex social behavior of ant colonies evolved.

13.   Abnormal social behavior is also a feature of autism.

14.   But their social behavior is subtly different.

15.   Different cultures require different modes of social behavior.

16.   Do films reflect social behavior, or cause it?

17.   Dole may leave a legacy of independence too, but his immediate problem is winning while obligated to extremists demanding offensive federal intrusion into private American social behavior.

18.   Despite later attempts to rehabilitate them, the monkeys suffered disturbances in social behavior from which they never recovered.

19.   Dr. Stanley Schachter, who delighted in finding simple explanations for seemingly complex social behavior, died Saturday at his home in East Hampton, N.Y.

20.   Each entry offers information on breeding, nesting habits, flight patterns and social behavior.