The eighth annual event invites hikers to search marked trails in four ranger districts in the Willamette National Forest.

This year’s ornament features a Pacific tree frog and seasonal mushrooms, highlighting the region’s forest biodiversity. The ...

In a wetland near the banks of the Deschutes River, Jennifer O’Reilly stepped cautiously into half a foot of water in search of an elusive creature whose small size belies its importance. Crouching in ...

PORTLAND, Ore. (KTVZ) -- Hundreds of northern leopard frogs, froglets and tadpoles reared at the Oregon Zoo are hopping back into the wild this month, thanks to a collaborative effort to save one of ...

PORTLAND, Ore. (KOIN) — The Oregon Zoo release 100 northern leopard frogs into the wild in August to bolster the endangered species’ dwindling populations. The zoo already released more than 50 ...

PORTLAND, Ore. (KPTV) - Hundreds of endangered frogs reared at the Oregon Zoo have hopped back into the wild. The zoo says 259 northern leopard tadpoles and 156 froglets were released into the ...

PORTLAND, Ore. (KOIN) — More than 100 endangered northern leopard frogs leapt into the wild last week, after being raised by the Oregon Zoo in their latest conservation effort. The frogs hatched from ...

PORTLAND Ore. (KPTV) - The Oregon Zoo helped release over 100 endangered frogs into the wild last week. More than 100 northern leopard frogs were released into the northwest in a collaborative project ...

Red-eyed tree frogs rely on a unique blend of color and stillness to disappear into rainforest foliage. When resting, their bright markings fold away, creating a perfect leaf-like disguise. Predators ...