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: A fundamental way to categorise natural behaviors includes fighting, fleeing, feeding, and reproduction Tinbergen’s Four Questions

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One of the most powerful applications of merging behavior and veterinary science is in animal sheltering. Approximately 3-4 million animals are euthanized in US shelters annually, and the leading cause is not untreatable illness—it is . : A fundamental way to categorise natural behaviors

: Behavior is driven by both external stimuli (predators, food) and internal states (hormones, pain). food) and internal states (hormones