BIOL 1902 Lecture Notes - Lecture 16: Pinguicula, Eastern Gray Squirrel, Photosynthesis
9 Nov 2016
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Dormancy/hibernation solves a predictable food supply problem. Migration solves a predictable food supply problem. Bohemian waxwing move to areas with large fruit crops: solution: move to food rich regions when necessary, nomadic move around in mass movements. Crossbill seed specialist: highly nomadic and irruptive in response to the seed crops from coniferous trees. Great gray owl move down to ontario by the thousands but not regularly. Irruptive do(cid:374)"t see the(cid:373) ofte(cid:374: ex. Strikes impale their prey on large thorns ex. Larder the storage of food in locations hidden from the sight of other animals for later food sources: ex. Owls will stash their dead prey (small mammals) and hang them over tree branches. Predictable food shortages spending winters in the cold temperatures. Scatter hoarding hiding/storing food in various locations. Red squirrel store food for the winter: harvest stashes of coniferous cones, creates a number of larger stashes called middens.
