The Curlew Sandpiper is a rare visitor from Eurasia (Sibley 2014). In Montana, this species has just two records in the last 10 years (Montana Bird Distribution Committee 2012).
For a comprehensive review of the conservation status, habitat use, and ecology of this and other Montana bird species, please see Marks et al. 2016, Birds of Montana.
Direct Evidence of Breeding
Indirect Evidence of Breeding