8. Ex - stickle back fish, male will try to attack another male if it comes into the environment; aggressive behavior
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10. Kelp gull chicks peck at red spot on mothers beak to stimulate regurgitating reflex.
11. Another FAP shared by some animals, including humans, is yawning , which often triggers yawning in other individuals. Yawns last around 6 seconds and are difficult to stop once initiated.
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14. Fig. 51-4 Dry open area Sow bug Moist site under leaf
24. Fig. 51-10b Another example of imprinting Young whooping cranes can imprint on humans in “crane suits” who then lead crane migrations using ultralight aircraft
35. Fig. 51-15 Scratch marks EXPERIMENT RESULTS BRITAIN Young from SW Germany Adults from Britain and offspring of British adults GERMANY N W E S N W E S
51. Fig. 51-22 For example, female stalk-eyed flies choose males with relatively long eyestalks. Ornaments, such as long eyestalks, often correlate with health and vitality