Jordan Lake Dam Neighborhood and How to Tell it is Cold without using a Thermometer!
Anytime a bird, like this eastern bluebird, is as round as it is tall, it is cold.
Fluffing one’s feathers traps air and warms the bird.
Having found a patch of sunlight and using the trunk of the pine tree as a block to the wind, this tufted titmouse is warm.
A well-rounded and therefore warmer, pine warbler is looking for another tasty pine seed for its breakfast.
The eastern phoebe is a flycatcher,
but in the cold weather will feed on small berries and any insect or spider lured out in the open by a patch of warm sunshine.
This great blue heron, while stalking a rival, has done just what the smaller birds do, and become well-rounded and fluffed against the cold.