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Chipmunks hibernate in winter8/7/2023 ![]() This puts them in good stead of surviving the winter on their fat reserves. Their heart rate drops from 200-10 beats per minute, and they can go minutes without breathing, causing a 98% reduction in their energy needs. bats hibernate in caves and mines from early October to the end of April. The jettisoned water freezes between the organs, creating temporary “peeper-cicles.” Before water in their vital organs can freeze and destroy cells, it is replaced with glucose, a natural antifreeze. Spring peepers can freeze solid, have no heartbeat for months and then come back to life in hours.Cold blooded creatures, their temperature matches that of the water. Until they emerge in March or April, they breathe solely through their skin, occasionally moving around in search of more oxygen-rich water. Bullfrogs retire to the muddy or leaf-strewn bottoms of waterbodies as early as September.They’re known to ignore bait placed right in front of them. While good news for the smaller fish they prey on, it makes perch even more of a challenge for those who enjoy ice fishing. Frigid waters cause a slowdown in yellow perch metabolism and a resulting decline in their daily food intake.This allows them to hunker down for days during spells of extremely harsh weather. In fall, they also start retaining more fat. Deer prepare for winter by “trading in” their summer coat for a winter one whose thicker, longer and darker hairs absorb more sunlight and trap more body heat.Calcium in their shells helps neutralize a buildup of lactic acid from any oxygen deficiency. ![]()
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