Tree Frogs Range in Alaska

What is the natural range of tree frogs?

Tree frogs, particularly the Pacific tree frog and gray tree frog, are found across much of North America. Their range extends from southern Canada down to Mexico, but does not reach Alaska. The northernmost records are in British Columbia's southern coast.

See ourTree Frogs guidefor the next step.

In Alaska, tree frogs sightings usually improve when you slow down and match your first stop to where people are most likely to notice them. Use thestate wildlife huband theroute guideto narrow your first area, then check access, weather, and distance before you settle in. A short walk with one clear viewing plan...

Why don't tree frogs live in Alaska?

Alaska's cold climate and permafrost make it inhospitable for tree frogs. These amphibians need long, warm summers to breed and survive freezing temperatures. Alaska's short growing season and frozen ground prevent tree frog populations from establishing.

See ourstate wildlife pagefor the next step.

What frogs can you actually see in Alaska?

The only two frog species in Alaska are the boreal chorus frog (Pseudacris maculata) and the wood frog (Lithobates sylvaticus). The boreal chorus frog is small with a dark stripe through the eye, while the wood frog is slightly larger with a dark mask. Both are found in interior and southeastern Alaska.

See ourTree Frogs rangefor the next step.

How can you tell the difference between a tree frog and an Alaska frog?

Tree frogs have enlarged toe pads for climbing, while Alaska frogs lack prominent pads. Tree frogs also have smoother skin and a distinct call. The boreal chorus frog has a dark stripe on each side of the body, and the wood frog has a dark mask across the eyes. Neither has the bright green coloration typical of many tree frogs.

See ourstate animal guidefor the next step.

Where in Alaska are you most likely to find frogs?

Frogs are most common in the interior and southeastern regions, near ponds, marshes, and slow-moving streams. Check /wildlife/alaska for detailed area guides. The best odds are in the Tanana River valley or around Juneau. Start with /wildlife/alaska/tree-frog/range for more specific location tips.

When is the best time of year to look for frogs in Alaska?

Spring is the prime time, shortly after the snow melts (May to early June). Frogs emerge to breed in temporary ponds. Listen for their calls at dusk. The wood frog is known for its quacking call, while the boreal chorus frog makes a short, raspy trill.