A Guide to the Amphibians
and Reptiles of California

Pseudacris regilla - Northern Pacific Treefrog - Eggs, Tadpoles, and Newly Transformed Tadpoles.

Click on a picture for a larger view


Mature tadpole, with rear legs developing	Young tadpole.	Young tadpole	Mature tadpole with four legs, and developing pattern

Mature tadpole, front legs about to emerge, eye stripe visible		Eggs, Lewis County, Washington	Eggs, Lewis County, Washington

Viewed from above, the eyes of a Northern Pacific Treefrog tadpole extend to the outline of the head, as you can see in the picture on the left. The eyes of the tadpoles of sympatric Rana aurora - Northern Red-legged Frog are inset from the margins of the head, as you can see in the picture on the right.
Below are pictures of a Northern Pacific Treefrog just transformed from a tadpole, as it continues to transform into a frog.

Metamorph on first day of emergence onto land	Metamorph, second day	Metamorph, third day	Metamorph, fourth day

Metamorph, fifth day (very small bit of tail remaining)		Metamorph, sixth day	Metamorph, day seven
Go to the Sierra Treefrog Tadpoles page to see more pictures of what the eggs of this frog look like.