When it becomes too cold or too hot, the hibernate or estivate to regulate their body temperature and avoid death.
No, ring-tailed lemurs do not estivate.
Some species of lynx inhabit taiga which is quite cold.
Most common snakes do not estivate (hibernate in the summer) but some do so for varying lengths of time. Some also experience true hibernation in colder weather. Whenever there are extremes of weather (heat, cold, aridity), reptiles will often "den" or hide away (sometimes in groups), which is not true hibernation.
The frogs either estivate during hot weather or the salivate. I don't know if this helps at all; I got this information from my science teacher and she said that I had to figure it out for myself so I really don't know.
No, it is not cold in the amazon so it's not necessary.
The Canada lynx lives in cold climates as does the Eurasian lynx. However, they also inhabit warmer climates and the Iberian lynx and bobcat also live in warmer, even hot, climates.
Some frog species estivate, but not all do.
No, cheetahs do not hibernate nor do the estivate.
A species of lynx can be found in nearly every climate, from cold nortthern forests to desert scrub lands. There are several lynx species.
This summer, Frau Unthank and I will estivate in Manhattan Beach.
"Estivate" is to pass the summer in a dormant or torpid state.