Mario Suarez Porras/ BIA / Atlantic Puffin (Fratercula arctica) with fish prey, Farne Islands, England, United Kingdom

Mario Suarez Porras/ BIA / Grasshopper Warbler (Locustella naevia) calling, Asturias, Spain

Mario Suarez Porras / Dunlin (Calidris alpina) foraging, Asturias, Spain

Mario Suarez Porras/ BIA / Snowy Egret (Egretta thula) on coast, North America

Mario Suarez Porras/ BIA / European Bee-eater (Merops apiaster), Spain

Mario Suarez Porras/ BIA / European Bee-eater (Merops apiaster) pair, Spain

Mario Suarez Porras/ BIA / Common Kingfisher (Alcedo atthis) fluffing itself up, Asturias, Spain

Mario Suarez Porras/ BIA / Red-backed Shrike (Lanius collurio) female, Asturias, Spain

Mario Suarez Porras/ BIA / Red-backed Shrike (Lanius collurio) female, Asturias, Spain

Mario Suarez Porras/ BIA / Eurasian Kestrel (Falco tinnunculus), Spain

Mario Suarez Porras/ BIA / Dunnock (Prunella modularis) spreading wings, Spain

Mario Suarez Porras/ BIA / Eurasian Black Vulture (Aegypius monachus), Spain

Mario Suarez Porras/ BIA / Common Buzzard (Buteo buteo), Asturias, Spain

Mario Suarez Porras/ BIA / Carrion Crow (Corvus corone), Asturias, Spain

Mario Suarez Porras / Common Scops-Owl (Otus scops), Castile-La Mancha, Spain

Mario Suarez Porras / Dunlin (Calidris alpina) foraging, Asturias, Spain

Mario Suarez Porras / Red Knot (Calidris canutus) wading, Asturias, Spain

Mario Suarez Porras / Great Bustard (Otis tarda) displaying, Extremadura, Spain

Mario Suarez Porras / Sanderling (Calidris alba) foraging, Asturias, Spain

Mario Suarez Porras / Sanderling (Calidris alba) running on beach, Asturias, Spain

Mario Suarez Porras / Sanderling (Calidris alba) running on beach, Asturias, Spain

Mario Suarez Porras / Northern Gannet (Morus bassanus) trio in territorial dispute, Saltee Islands, Ireland

Mario Suarez Porras / Northern Gannet (Morus bassanus) nesting colony, Saltee Islands, Ireland

Mario Suarez Porras / White-spotted Bluethroat (Luscinia svecica cyanecula) male carrying food, Asturias, Spain

Mario Suarez Porras / Northern Gannet (Morus bassanus) colony, Scotland, United Kingdom

Mario Suarez Porras / Great Spotted Woodpecker (Dendrocopos major) male, Asturias, Spain

Mario Suarez Porras / Great Spotted Woodpecker (Dendrocopos major) male, Asturias, Spain

Mario Suarez Porras / Great Spotted Woodpecker (Dendrocopos major) female, Asturias, Spain

Mario Suarez Porras / Griffon Vulture (Gyps fulvus), Extremadura, Spain

Mario Suarez Porras / Little Ringed Plover (Charadrius dubius), Castile-La Mancha, Spain

Mario Suarez Porras / Little Ringed Plover (Charadrius dubius), Castile-La Mancha, Spain

Mario Suarez Porras / Glossy Ibis (Plegadis falcinellus), Asturias, Spain

Mario Suarez Porras / Glossy Ibis (Plegadis falcinellus), Asturias, Spain

Mario Suarez Porras / Glossy Ibis (Plegadis falcinellus), Asturias, Spain

Mario Suarez Porras / Ruddy Turnstone (Arenaria interpres), Asturias, Spain

Mario Suarez Porras / Whiskered Tern (Chlidonias hybrida) with frog prey, Seville, Spain

Mario Suarez Porras / Pectoral Sandpiper (Calidris melanotos), Asturias, Spain

Mario Suarez Porras / European Bee-eater (Merops apiaster) bringing food to mate at burrow, Castile-La Mancha, Spain

Mario Suarez Porras / Whiskered Tern (Chlidonias hybrida) and chicks at nest, Seville, Spain

Mario Suarez Porras / Whiskered Tern (Chlidonias hybrida) parent and chicks at nest, Seville, Spain

Mario Suarez Porras / Whiskered Tern (Chlidonias hybrida) carrying a frog, Seville, Spain

Mario Suarez Porras / Whimbrel (Numenius phaeopus), Asturias, Spain

Mario Suarez Porras / Common Redshank (Tringa totanus), Asturias, Spain

Mario Suarez Porras / Common Ringed Plover (Charadrius hiaticula), Asturias, Spain

Mario Suarez Porras / Red Knot (Calidris canutus), Asturias, Spain

Mario Suarez Porras / Squacco Heron (Ardeola ralloides), Asturias, Spain

Mario Suarez Porras / Common Ringed Plover (Charadrius hiaticula) feeding on a sandworm, Asturias, Spain

Mario Suarez Porras / Common Swift (Apus apus), Castile-La Mancha, Spain