ocr: BIRDS' EGGS Rufous Hummingbird Egg UMMINGBIRDS are little, CYLINDRICAL SHAPE Hbrightly 1 colored birds that occur throughout the Americas. They lay the smallest eggs of any bird, building tiny cuplike nests to hold their miniature eggs. The rufous hummingbird's egg is just over V inch (1 cm)long. PURE WHITE COLOR EGG SIZE The rufous bur m mingbird's eg isi buge compared to its 4-inch (10-cm) body. However, it is 4,500 times lighter than the largest bird's e8 (laid by the astrich).