
American goldfinch eats seeds from a spent flower in New England, January 2026.
A ton of snow followed by prolonged freezing temperatures can spell disaster for birds. Luckily, birds have developed several survival strategies to cope with such conditions.
There are several factors at play in these conditions. I will focus mostly on finding food but will address some of the others quickly.
First, there is the cold. Birds survive freezing temperatures through adaptations that conserve heat and energy. Feathers provide excellent insulation, and many birds maximize this by fluffing their feathers to trap warm air close to their bodies. Birds also have a high metabolic rate, which is fueled by energy-rich foods such as seeds and fat commonly found at feeders.
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