The present invention identifies the presence of MCH-2R in the dog, ferret and rhesus monkey. MCH-2R is a G-protein coupled receptor that responds to MCH and is distinct from MCH-1R. MCH-2R polypeptide and nucleic acid sequences related to the dog, ferret, and rhesus monkey MCH-2R are described herein along with uses of such polypeptides and nucleic acids.