The site is there for teachers to use to develop their own ideas and plans.
See the photos and read about different species found in spring, summer and fall.
Draw and label your own to help you remember.
Take a walk outside and spot some different kinds.
Observe feeding and movement.
Keep a set of drawings and make a guide, or flash cards.
http://people.uleth.ca/~dan.johnson/htm/dj_gh_guide_k4.htm