The Pacific tree frog (Pseudacris regilla), also known as the Pacific chorus frog, has a range spanning the Pacific Northwest, from Northern California, Oregon, and Washington to British …

Adult Sierran treefrog, showing the yellow "flash color" markings on the inner thighs which are also evident on this species. When the frog fears an attack from a predator, it jumps away, …

The Pacific tree frog (Pseudacris regilla), also known as the Pacific chorus frog, has a range spanning the Pacific Northwest, from Northern California, Oregon, and Washington to British …

The Northern Pacific Tree Frog is a small frog with a large head, large eyes, and what is described as a slim waist. It has long, slender legs and limited webbing between the toes. The …

A male Northern Pacific Treefrog on a pond in the Cascades Mountains of Washington responds to the frog-like sounds made by a human. When the human sounds are similar to the territorial …

The Baja Caifornia Treefrog, the Northern Pacific Treefrog, and the Sierran Treefrog all used to be known as the same frog: the Pacific Treefrog, and they might be called that again in the future, …

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The Northern Pacific Treefrog’s call is a stereotypical, loud, two-part “krec-ek” or “ribbit” that is probably nearly identical to the call of P. sierra. The tadpoles of P. regilla are light greenish …

Pa­cific treefrogs (Pseudacris regilla) are com­mon through­out North Amer­ica, west of the Rocky Moun­tains. Their ge­o­graphic range ex­tends from south­ern British Co­lum­bia, Canada, south …

Welcome to the first installment of a two-part series of posts looking at the Pacific Tree Frog! In this series, we will be exploring everything you need to know about this fun species of frog, …