Amphibian
Columbian toad
Anaxyrus boreas
Photo: Wikimedia Commons via Wikipedia
Habitat
Camp Chopunnish
Conservation
Apparently secure
First Observed
1806-05-14
Like many frog and toad species, western toads are declining in some areas due to habitat loss and spread of a fungus.
In the NPS atlas of species the expedition described
Columbian toad
Found at Camp Chopunnish. Like many frog and toad species, western toads are declining in some areas due to habitat loss and spread of a fungus.
Source: National Park Service, Lewis and Clark National Historic Trail Park Atlas.
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.
Journal References
6 journal entries mention Columbian toad
Feb
25
1805
Fort Mandan, preparing for departure — Patrick Gass: February 25, 1805
Jan
15
1806
Lewis: January 15, 1806
... large
fallen tree which as well as the pit lye across the toads frequented by
the Elk. these pitts are disguised with the slender boughs of trees and
moss; the ...
May
29
1806
Clark: May 29, 1806
...ter and their action much Slower; they Crawl much
like the toad. they are of a brown Colour with yellowish and yellowish
brown Spots. it is covered with minute sc...
May
29
1806
Lewis: May 29, 1806
...ter and their action much slower; they crawl
much like the toad. they are of brown colour with yellowish and
yellowishbrown spots. it is covered with minute scale...
May
30
1806
Clark: May 30, 1806
...lengthy form of our bullfrogs and that of our
land frog or toad as they are Sometimes called in the United States. like
the latter their bodies are covered with l...
May
30
1806
Lewis: May 30, 1806
...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 littl...
