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Couch's Spadefoot vs. Plains Spadefoot

The owner's 'overlapping spadefoots': their records overlap in southeastern Arizona and Texas. In California only Couch's lives here. A: No hump in the Couch's Spadefoot; a hard bony hump in the Plains Spadefoot. B: Bright yellow-green, marbled black in the Couch's Spadefoot; grey-brown with dark spots, often orange-tipped warts in the Plains Spadefoot. Both have a black spade on each hind foot.

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Couch's Spadefoot

Scaphiopus couchii

Plains Spadefoot

Spea bombifrons
Couch's Spadefoot vs. Plains Spadefoot: comparison sheet with the differences marked

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

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