The fundamental aspects of animal personalities can be summarized with the four Fs: Feeding, Fighting, Fleeing and Sex.
Feeding techniques translate into the careers that corresponding human personalities would choose. Bird personalities, for example, would prefer jobs that provide a great deal of freedom, while sheep personalities might flourish under the direction of a strong dog personality. Canine personalities instinctively work well with others while bear personas chafe under the direction of authority.
Fighting is equivalent to the way in which a person controls his or her environment. Carnivorous personalities are assertive and adventurous, while herbivorous personalities tend to be passive and cautious.
Fleeing is how people protect themselves from each other. Herd animal personalities find refuge in the company of friends and family, wolves prefer tightly knit social groups, and mice personalities prefer to keep low profiles.
Sex describes the ways we seek mates. From the brutal strength display of the wild elk to the seductive display of peacocks, all creatures strive to exert control over their reproductive choices. An animal's mating habits translates into the way that someone conducts their sexual relationships. Some animal species are monogamous while others have a variety of mates. Some (beaver) personalities mate for life, while tiger personalities are solitary and rarely monogamous. From the subtle and coy techniques of the cottontail personality to the aggressive displays of the lion, every species employs a unique mating strategy. These sorts of behaviors come naturally to us and a visit to a public park reveals our animal personalities in action. Young girls walk by pretending not to notice the watching boys displaying their own mating behavior, some of whom adopt masculine stances lounging around with their legs apart, or calling aggressively to the females, while others feign disinterest and use subtle body language to stake their claims.