BIOL 1902 Lecture Notes - Lecture 7: Torpor, Iter, Antifreeze
22 Feb 2017
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Natural history class 7: random tidbits: Thermogenesis the production of heat in humans or animals. Hibernaculum a place where animals find refuge in an unfavorable season. It would be false to consider amphibians capable of hibernation. Aquatic species genuinely remain active all winter. In preparation for dormancy, insects tend to clear out their gut, voiding water as well as any particles around which ice could be formed. (i think female mosquitoes do this?) Some butterflies overwinter in the caterpillar stage (transition), includes canadian tiger. Herps reptiles or amphibans: dealing with the snow, subnivean space: Layer of snow that is easily pushed through by small animals. Esse(cid:374)tially it"s a s(cid:373)all layer (cid:271)et(cid:449)ee(cid:374) the grou(cid:374)d a(cid:374)d the s(cid:374)o(cid:449). It is used as i(cid:374)sulatio(cid:374) and a way for animals to adapt to the cold temperature of the winter: birds: Ruffed grouse these (cid:271)irds (cid:373)ake (cid:862)s(cid:374)o(cid:449) (cid:271)eds(cid:863) (cid:449)hi(cid:272)h are used for (cid:449)ar(cid:373)th.
