Here are teaching points for a unit study about birds, along with children's books that reinforce many of the points. I have also included a printable version of this page that you can print and take to your library or use as a checklist, a Bird Matching Game, and a printable reading log for books about birds.
All About Birds is an online guide to birds and bird watching that is offered by Cornell University. This site is packed with information about birds! If you look up a bird, you can also listen to a recording of a typical bird song for that type of bird.
Feather Type & Anatomy Worksheet by Ask a Biologist. These detailed worksheets help students learn the name for each feather type and the name of the parts of a feather.
Draw and Learn Animals - Marty Nystrom has instructions for drawing birds and other animals in ten easy steps. Each step has an interesting fact about the animal.
Here is a bird matching game that you can print on heavy paper. Since there is only one image of each bird on this set, you will need to make two copies. The last page is the photo credits, so you may or may not want to print those.
Here is a set of bird flashcards on Quizlet. If you are viewing them on your phone, you can use the settings icon in the upper right corner to adjust the flashcards so that the photo appears first. You can also turn the "speak text" feature on so that you can hear the name of the bird as you scroll down from the image. Tapping on an image makes it appear larger.
This page contains affiliate links. For full disclosure, click here