Northwestern Toad. Baird's Toad. Mountain 



Toad. Columbian Toad. 

 Small-spaded Toad. 

 Northern Toad. West- 

 ern Toad. 



Plate XL i, 2. Males 

 (xj). 3. Hindfoot of male 

 (Xf). 4, 5- Females (xi). 



Bufo boreas boreas (Baird 

 and Girard). 



Range: Colorado, north 

 and west to Puget Sound, 

 British Columbia and south- 

 western Alaska. 



Habitat: General vicinity 

 of larger streams. Floor val- 

 leys, mountain meadows and 

 canyons to high elevations. 

 To the coast in Washington 

 and Oregon. 



Size: Adults, 2 1/4-5 

 inches. (Males, 56-108 mm. 

 Females, 60-125 mm.). 



General appearance: This 

 large brown, gray or green 

 toad has a broad light streak 

 down the speckled back and a 

 light patch under the eye. The 

 under parts are commonly 

 speckled or marbled with 

 dark. The skin is very warty 

 with large round warts. The 

 fingers and toes have dark tips. 



Structure: No cranial 

 crests; rounded gland in mid- 

 dle of tibia; body flat, broad, 

 head narrow and pointed in 

 proportion; no discolored 

 throat in male; spread of 

 hind foot usually more than 

 36 per cent of total body 

 length. 



Voice: See Notes. 



5° 



