This series of pictures shows a Pacific Treefrog, Pseudacris regilla, as a tadpole living in water, then after it leaves the water breathing air, gradually losing its tail and transforming into a juvenile frog with the body of an adult.

Northern Pacific Treefrog Northern Pacific Treefrog Northern Pacific Treefrog Northern Pacific Treefrog
Tadpole
2 days before leaving water		 Day 1
of living on land		 Day 1 Day 2
Northern Pacific Treefrog Northern Pacific Treefrog Northern Pacific Treefrog Northern Pacific Treefrog
Day 3 Day 4 Day 4 Day 5
Northern Pacific Treefrog Northern Pacific Treefrog Northern Pacific Treefrog Northern Pacific Treefrog
Day 5
 Day 6 Day 6 Day 7
Tail is completely absorbed
       
  CaliforniaHerps.com