Capercaillie

The Western Capercaillie (Tetrao urogallus), also known as the Wood Grouse, Heather Cock or Capercaillie is the largest member of the grouse family, reaching over 100 cm in length and 6.7 kg in weight. The largest one ever recorded in captivity had a weight of 7.2 kg. (15.9 lbs). Found across Europe and Asia, it is renowned for its mating display.