Estivation or aestivation (from Latin aestas, summer) is a state of dormancy similar to hibernation. Animals that estivate spend a summer inactive and insulated against heat to avoid the potentially harmful effects of the season. Some animals, including the California red-legged frog, may estivate to conserve energy when their food and water supply is low. Latin is the language originally spoken in the region around Rome called Latium. ... Hibernation is a state of regulated hypothermia, lasting several days or weeks, that allows animals to conserve energy during the winter. ... Summer is a season, defined by convention in meteorology as the whole months of June, July and August in the Northern hemisphere and the whole months of December, January and February in the Southern hemisphere. ...

Lungfish

Other animals that estivate include salamanders and lungfishes. The lungfish estivates by burying itself in the mud formed at the surface of a dried up lake. In this state, the lungfish can survive for many years. Other animals estivate in their burrow and wait for autumn to come. Ċ Download high resolution version (849x347, 43 KB)my own picture File history Legend: (cur) = this is the current file, (del) = delete this old version, (rev) = revert to this old version. ... Download high resolution version (849x347, 43 KB)my own picture File history Legend: (cur) = this is the current file, (del) = delete this old version, (rev) = revert to this old version. ... Suborders Cryptobranchoidea Salamandroidea Sirenoidea Salamander is the common name applied to approximately 500 amphibian vertebrates with slender bodies, short legs, and long tails (order Caudata or Urodela). ... Orders see text Lungfishes are sarcopterygian fish that can breathe air (and in some species are obligate air-breathers), and have limb-like appendages instead of fins. ...