Aestivation Aestivation Aestivation or æstivation (from , summer, but also spelled estivation in American English) is a state of animal dormancy, similar to hibernation, characterized by inactivity and a lowered metabolic rate, that is entered in response to high temperatures and arid conditions. It takes place during times of heat and dryness, the hot dry season, which are often the summer months. Invertebrate and vertebrate animals are known to enter this state to avoid damage from high temperatures and the risk of desiccation. Both terrestrial and aquatic animals undergo aestivation. The fossil record suggests that aestivation may have evolved several hundred
In the Grip of Winter In the Grip of Winter In the Grip of Winter is the second book of The Animals of Farthing Wood series by Colin Dann. It was first published in 1981, and later republished as part one of the first "Omnibus". As winter approaches Toad, Adder, and the hedgehogs go into hibernation, while the rest of the animals prepare for winter. However the winter is harsh and kills most of the field mice and voles, while making it difficult for the rest of the other animals to find food. Whistler and his mate help Fox, Vixen, Weasel, and Badger by bringing