(European) gray wolf (carnivore, Canis lupus lupus); grey wolf
eastern greylag goose (aquatic bird, Anser anser)
little grey cells (in reference to Hercule Poirot's catchphrase); intellect; brainpower
Clark's nutcracker (Nucifraga columbiana)
red phalarope; grey phalarope (Phalaropus lobatus)
gray seal (Halichoerus grypus); grey seal
Indian gray mongoose (Herpestes edwardsii); common grey mongoose
hen harrier (Circus cyaneus); northern harrier
brown widow (Latrodectus geometricus); brown button; grey widow; brown black widow; house button spider; geometric button spider
western tragopan (Tragopan melanocephalus); western horned tragopan
high official suspected of corruption
grayish blue; greyish blue; ash grey; merle