Similarly , the red - billed chough no longer breeds on the island .
In 1981 there were 28 ptarmigan on Arran , but in 2009 it was reported that extensive surveys had been unable to record any .
The red - billed chough no longer breeds on the island .
In 1981 there were 28 ptarmigan on Arran , but in 2009 it was reported that extensive surveys had been unable to record any .