The relation of rank to physiological state in Cnemidophorus sexlineatus dominance hierarchies

The six-lined racerunner, Cnemidophorus sexlineatus, maintains dominance hierarchies in captivity. Trios of ♂ ♂ were observed to determine the relation of hierarchy rank to physiological state and behavior. Rank was closely related to body weight and aggressiveness. High ranking ♂ ♂, unlike low ranking ♂ ♂, readily tried to mate with ♀ ♀. Anatomical examination […]