:* '''''Long-Evans:''''' Multipurpose model organism (frequent in behavioral and obesity research). Developed by crossing Wistar females with a wild gray male. They are white with a black or brown hood (=head and shoulders). | :* '''''Long-Evans:''''' Multipurpose model organism (frequent in behavioral and obesity research). Developed by crossing Wistar females with a wild gray male. They are white with a black or brown hood (=head and shoulders). |