Trefil Quarries and Trefil Ddu are noted birding sites; this area is the last remaining site in Gwent where Ring Ouzel occurs regularly, and other species present include Raven, Wheatear, Stonechat, Whinchat, Snipe and Red Grouse.
Wheatear | Cyprus Wheatear | Black-eared Wheatear | Mountain Wheatear | Dutch Oven (right) and Wheatear at Lord Falmouth's Mereworth Stud in 1884, engraving by John Sturgess |