
In the depths of winter, when open water is frozen over, it can be challenging for birds to stay hydrated. Some birds eat the frozen water all around them, catch snowflakes in mid-air, or drink from dripping icicles. Many other birds, like this Eastern Bluebird, scoop up fresh, powdery snow to ingest. Eating ice and snow comes at a cost, however, since it takes energy to convert the frozen stuff to water and bring it up to the bird's body temperature. It could be worth the calories to obtain water in this manner, though, rather than flying long distances to find some and possibly be exposed to predators or other hazards. Written by Richa Malhotra on BirdNote. Photo taken in Rutland by Anne Greene.