Adaptations: Bird Beaks. Create a bucket of "bird food". Then provide each student with a beak tool, like tongs, chopsticks, eye droppers, forks, pliers, tweezers, toothpicks, & clothespins. They should try to gather as much food as they can.
Evidence for Evolution Web quest-- covers everything you need- such a useful tool. I always struggled when finding good sources for evidence other than movies so this was a great addition to my curriculum !