Grey Heron walking in a swamp, Bulgaria

action actions adult adults afrasia afro eurasia alone april atmosphere be on the watch behavior behaviors being on the watch bird birds bog bogs bulgaria continent continental area count counting description descriptions detect detecting detectings detection detections ecosystem ecosystems enumeration enumerations eurafrasia eurasia europe food search food searches freshwater freshwater swamp fresh water swamp freshwater swamps fresh water swamps freshwater wetland area freshwater wetland areas freshwater wetland zone freshwater wetland zones freshwaters grey heron (ardea cinerea) grey herons (ardea cinerea) heron herons hunt hunted hunting hunts image and subject individual individuals iucn iucn red list of threatened species iucn status landmass landmasses least concern (iucn) lc least concern species light effect light effects lighting effect lighting effects localisation localization location lone lonely low risk (iucn) lr lying in wait matter (substance) matters (substance) mirror image month of year months of year natural area natural areas nature old world one one animal only pose posed posing profile shot profile shots profile sight profile sights profile view profile views pursuit pursuits quest quests recording recordings reflected reflecting reflection reflections seasons seek seeked seeking seekings seeks settling settlings shoting shotings side view single solo species spring stage of development stalk (at steal) stalking surfbird surfbirds temperate season temperate seasons texture textures time scale time scales uicn watchful water (matter) water surface water surfaces waters (matter) watersurface watersurfaces wild animal wild animals wild fauna wild faunae