Pharaoh Hound: A breed of sleek, swift-running hunting dog originating in Egypt and having a short, glossy, tan coat and large, pointed ears.

Phenotype: The observable physical or biochemical characteristics of an organism, as determined by both genetic makeup and environmental influences.

Pheromones: A chemical secreted by an animal, especially an insect, that influences the behavior or development of others of the same species, often functioning as an attractant of the opposite sex.

Piebald: Covered with patches of two colors, especially black and white. Color definitions may vary by breed. Always check the breed standard for the definitive color description.

Pied: Patches of white and another color. Color definitions may vary by breed. Always check the breed standard for the definitive color description.

Pig Eyes: Eyes set too close.

Pig Jaw: See Overshot

Pigeon-Breast: A narrow chest with a protruding breastbone.

Pigeon-Toed: Toes pointing in toward the mid line.

Pigment: A substance, such as chlorophyll or melanin, that produces a characteristic color in plant or animal tissue.