The following series of pictures shows an American Bullfrog tadpole underwater, then after it leaves the water as it begins to breathe air, gradually loses its tail, and transforms into a juvenile frog with the body of an adult.

American Bullfrog Tadpole American Bullfrog Tadpole American Bullfrog Tadpole American Bullfrog Tadpole
Tadpole without legs, in water, 3 weeks before "Day 1" Tadpole with legs, in water, 1 day before "Day 1"
American Bullfrog Juvenile American Bullfrog Juvenile American Bullfrog Juvenile American Bullfrog Juvenile
Metamorph, out of water, Day 1
Metamorph, out of water, Day 2 Metamorph, out of water, Day 3 Metamorph, out of water, Day 4
American Bullfrog Juvenile American Bullfrog Juvenile American Bullfrog Juvenile American Bullfrog Juvenile
Metamorph, out of water, Day 5 Metamorph, out of water, Day 6 Metamorph, out of water, Day 7 Metamorph, out of water, Day 8
American Bullfrog Juvenile American Bullfrog Juvenile American Bullfrog Juvenile American Bullfrog Juvenile
Metamorph, out of water, Day 9

Metamorph, out of water, Day 14 Juvenile, out of water, Day 29
       
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