Social Behavior

1
Social Behavior

• Members of the same species
• Usually live full-time in groups
• Can refer to predator-prey interactions

2
Group Living

• Animal society stable group of individuals of
  the same species that have cooperative
  relationships outside of mating and raising
  young.
• Invertebrates and vertebrates

3
Advantages to Group Life

• Protection from predators
• Increase feeding efficiency
• Protection from elements
• Easy access to potential mates

4
Mating Behavior
5
Disadvantages of Group Life

• Competition for resources
• Diseases
• Parasites

6
Aggression

• Agonistic behavior
• Attacks
• Threat displays
• Maintains territory
• Maintains dominance hierarchy

7
Altruism

• Individual sacrifices reproductive potential for
  the benefit of others in the group
• Honeybees
• Turkeys
• Naked mole rats
• Kin selection