Too Cold to Fly?
The Effects of Temperature on Fall Migration
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Monarch butterfly flying at butterfly garden.
Copyright Journey North		 Monarch Butterfly in flight, with proboscis partly coiled.
Copyright Jane Wheeler		 Temperatures and monarch butterfly
Copyright Nancy Chaney
Temperatures and monarch butterfly
Copyright Jane Marshall		 Monarch Butterflies nectaring at New England aster.
Copyright Wayne Kryduba
Monarch butterfly nectaring from New England aster.
Copyright Journey North

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Temperatures and monarch butterfly
Copyright Clare DeLand

Temperatures and monarch butterfly
Copyright Journey North


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