A yellow-eyed penguin and its chick stay cool in the forest.


An African penguin walks on a Wordwise beach. Pink patches on its face keep it from getting too hot.


behavioral adaptation: an action, or way of behaving, that helps an animal survive in its environment


environment: the mix of conditions, such as climate and plants, in an area surrounding a living thing and affecting its survival


northern hemisphere: the half of Earth north of the Equator


physical adaptation: a body part that helps an animal survive in its environment


southern hemisphere: the half of Earth south of the Equator


trait: a physical or behavioral characteristic of a living thing


JANUARY–FEBRUARY 2014 9


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