Reptile

Western Toad

Anaxyrus boreas
Reptile Columbia River region, near present-day The Dalles, Oregon New to Western Science
Western Toad

Photo: Walter Siegmund, CC BY-SA 3.0

Common Names
Toad of the Columbia
Habitat
Moist forests, meadows, and stream edges from lowlands to mountain passes
First Observed
1806-05-30
Observed At
Columbia River region, near present-day The Dalles, Oregon

Lewis and Clark described the western toad during their expedition through the Pacific Northwest. This large toad, which can reach 5 inches in length, is found from Alaska to Baja California. Lewis noted its distinctive white dorsal stripe and warty skin, comparing it to eastern toads but noting differences in coloration.

Journal Excerpt

Lewis, May 30, 1806: "a large speceis of frog which resorts the water considerably larger than our bull frog, it's shape seems to be a medium between the delicate and lengthy form of our bull frog and that of our land frog or toad as they are sometimes called in the U' States. like the latter their bodies are covered with little pustles or lumps."

Recent sightings

Where it’s being seen today

1 research-grade iNaturalist observation between 2024–2024. Most recent: 2024-05-26. Sourced from Terrain360 trail captures, cached locally.

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