Ethology is the study of animal behavior, including communication.

Animal communication can include courtship displays, territorial marking, predator avoidance, and more.

Sociobiology is the study of animal social behavior.

Animal social behavior can include courtship displays, territorial marking, predator avoidance, and more.

Sociobiology is the study of animal mating systems.

Animal mating systems can include monogamy, polygamy, polyandry, and more.

Comparative Psychology is the study of animal learning.

Animal learning can include classical conditioning, operant conditioning, observational learning, and more.

Comparative Cognition is the study of animal cognition.

Animal cognition can include problem solving, decision making, memory, and more.

Animal Welfare Science is the study of animal welfare.

Animal welfare concerns can include pain and suffering, stress, disease, and more.

Conservation Biology is the study of animal conservation.

Animal conservation strategies can include habitat protection, species reintroduction, captive breeding, and more.

Animal Ethics is the study of animal ethics.

Animal ethics issues can include animal testing, factory farming, hunting, and more.