1. Winter for birds By Kory nicholi Kwasow

2. Migration During winter many birds may migrate in order to have more sunlight and better resources in general. During winter many birds may migrate in order to have more sunlight and better resources in general. Many birds follow these general patterns Many birds follow these general patterns

3. Can birds tolerate cold? Yes but they need different types of protection since they do not have brown fat. Yes but they need different types of protection since they do not have brown fat. Their metabolism requires them to feed as much as possible during daylight Their metabolism requires them to feed as much as possible during daylight

4. Feathers Down feathers trap air, making the area warmer. Down feathers trap air, making the area warmer. Excellent insulator Excellent insulator Not water resistant Not water resistant

5. Bird body temperature The avg. temp. of a birds body is 105 degrees Fahrenheit. The avg. temp. of a birds body is 105 degrees Fahrenheit. Smaller birds have a faster cooling rate, so in the winter they must “shiver” constantly. Smaller birds have a faster cooling rate, so in the winter they must “shiver” constantly.

6. Food in the winter Birds that fed mainly on some fruit and insects must change their diet. Birds that fed mainly on some fruit and insects must change their diet. Chickadees will stockpile food for the winter by hiding it under a piece of loose bark or in a patch of moss. This is often a benefit to other birds that find it while foraging for food in the winter. Chickadees will stockpile food for the winter by hiding it under a piece of loose bark or in a patch of moss. This is often a benefit to other birds that find it while foraging for food in the winter.

7. Gallinaceous birds Galliformes, a group of birds containing turkeys, grouse, quails and pheasants Galliformes, a group of birds containing turkeys, grouse, quails and pheasants These birds are considered “hardier” due to their size and insulation plus their diet. These birds are considered “hardier” due to their size and insulation plus their diet.

8. The Ptarmigan In Galliformes, has a diet of coarse fibrous plant material In Galliformes, has a diet of coarse fibrous plant material Roost beneath the snow Roost beneath the snow Change plumage colors for seasons Change plumage colors for seasons

9. The End