Clark's Nutcrcker (Nucifraga columbiana)

Wikipedia photos

Clark's Nutcracker, a.k.a. Clark's Crow, is a passerine bird in the family Corvidae, native to the mountains of western North America. 

The 'Nutcracker' is an omnivore, buts subsists mainly on pine nuts, burying thousands of seeds in the ground in summer and then incredibly retrieving them in the winter by memory.

This bird was described by the Lewis & Clark Exhibition, with William Clark first seeing it in 1805 along the banks of Oregon's Salmon River, a tributary of the  Columbia River.

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BarrytheBirder