Birds can tell when bad weather will be coming in their area by feeling the changes in air pressure. They will start eating more food to fatten up for cold weather. By having cold blood in their feet and a type of scales on their legs and feet they lose only a small amount of heat when they are standing on something cold. Their down feathers trap air, helping to keep the cold air from its skin. Northern Cardinal, male
One of the places downy woodpeckers will use at night are trees that has cavities that they can go inside of. Their feathers will trap air pockets around their bodies to help them stay warm.
“Now look what you have done to our house” said the chickadee on the rock. The other chickadee said, “We can eat this house, it is made of seeds, and it isn’t big enough for us to live in.
If you are a small bird you want to team up with other birds to help each other in finding food. Plus, there are more eyes in a group of birds to help spot larger birds like hawks that may want them for lunch. You increase your odds of surviving the winter by being in a mixed group of birds.
The Chickadees will look up, down and sideways to make sure it is safe before they move most of the time. If they do see a predator, they will sound out alarm calls.
Carolina Chickadee and Tufted Titmouse.