Egg embryo is adequately developed it hatches, i.e. breaks out of the egg's shell. Some embryos have a temporary egg tooth they use to crack, pip, or break the eggshell or covering. The largest recorded egg is from a whale shark, and was in size. Whale shark eggs typically hatch within the mother. At and up to , the ostrich egg is the largest egg of any living bird, though the extinct elephant bird and some dinosaurs laid larger eggs. The bee hummingbird produces the smallest known bird egg, which weighs half of a gram (around 0.02 oz). Some eggs laid
Scrambled Eggs (1939 film) in their nests up above tell him to "Be quiet!" and boast about their own well-behaved families (i.e., their eggs), Peterkin decides to get back at them. He sneaks up the massive "Maternity Tree", and covertly switches all the eggs in all the nests. Soon, the eggs hatch — each bird couple has a baby bird of a type different from themselves: for example, the canaries hatch a pirate-talking parrot; the tiny English sparrows hatch a huge mockingbird, who quickly begins "mocking" the sparrow father by speaking in an English accent. The father birds, upset and very suspicious of their