Eurasian Curlew among cotton grass backlit by the warm evening light

curlew eurasian grounds cotton grass evening backlit light european red list wader bird wading curved bill numenius arquata mottled brown grey threatened species uplands springtime moorland cumbria conservation uk outdoors lockdown locked off copy space copyspace breeding nature birdwatching summer downcurved grassland wildlife near threatened environment biodiversity ecological curlew country north pennines bird watching 4k warm flowers county durham