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Western Toad vs. Woodhouse's Toad

Both are big toads with a pale stripe down the middle of the back. A: the Western Toad's head is smooth on top, the bony ridges (cranial crests) missing or very weak; Woodhouse's Toad has distinct ridges that run back past the eyes and meet the long glands behind them. B: the Western Toad's belly is heavily mottled with black; Woodhouse's is white, often with a single dark spot on the chest. The Western Toad has no vocal sac and only chirps; Woodhouse's gives a loud nasal 'waaah'.

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Western Toad

Anaxyrus boreas

Woodhouse's Toad

Anaxyrus woodhousii
Western Toad vs. Woodhouse's Toad: comparison sheet with the differences marked

Photographs via iNaturalist under Creative Commons licences; the photographers are credited on the sheet.

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