Which of our endangered turtles has a “worm” in his mouth to lure fish? Why do some of our youngest flamingos have gray feathers? Solve these mysteries and more while celebrating Earth Day weekend exploring our winding paths, exotic birds, turtles, butterflies, and flowers on a scavenger hunt through our century-old garden. For ages 3 to 103! No pre-registration required. Free with paid admission or membership.