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assign5 - though exceptions exist(there are a few lowland...

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Black-capped Chickade Their breeding habitat is mixed or deciduous woods in Canada , Alaska and northern US. They are permanent residents, but sometimes move south within their range in winter. On cold winter nights, these birds reduce their body temperature by up to 10-12 °C to conserve energy. During the fall migration and winter, chickade often flock together. Bumble Bee
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Bumblebees are typically found in higher latitudes and/or high altitudes
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Unformatted text preview: , though exceptions exist (there are a few lowland tropical species). Found in clearings and meadows throughout all of BC. A few species ( Bombus polaris and B. arcticus ) range into very cold climates where other bees might not be found. One reason for this is that bumblebees can regulate their body temperature , via solar radiation , internal mechanisms of "shivering" and radiative cooling from the abdomen (called heterothermy )....
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