Try using thin flexible styrofoam sheets in collages.
Black Cardboard SWALLOW This is the bird that appears in the book "Song of the Swallow." This is a good idea for children to see what a swallow looks like.
Bird nature study printables and resources from Homeschool Creations. Includes scavenger hunts, feeder tally, bird observation sheets, and writing prompts. - bird tally sheets perfect for bird watching on a hike