Warblers are named for their musical songs, but many have a similar shape and size.
What seems to vary the most is their coloration!
Just check out the amazing variety of warbler species and colors in a field guide to birds or on one of the websites below.
Click on this pic to open up a bigger version of it.
Use it as a basic shape to color some interesting warblers or other birds of similar shape
Or trace your own bird shapes and have your kids (or your inner child!) color in their own new bird species!