It is called estivation ("ess-tiv-AY-shun") if it occurs during the summer.
The poorwill is the only bird to demonstrate this behavior, which can be defined as sustained torpor. It is called estivation ("ess-tiv-AY-shun") if it occurs during the summer. Animals must either collect or eat lots of food during the fall so that they do not starve while doing it. For 10 points, name this behavior in which an animal goes into a deep sleep for the entire winter.
The poorwill is the only bird to demonstrate this behavior, which can be defined as sustained torpor.
{hibernation} [accept word forms]