Danny Green / Knot (Calidris canutus) and grey plover (Pluvialis squatarola) roost at high tide with numerous birds packed tightly together, Snettisham, Norfolk, October. Bookplate from Danny Green's 'The Long Jour...

David Tipling / Northern Fulmar (Fulmarus glacialis) flying along cliff at Sumburgh Head in evening light, Shetland, Scotland, June

David Tipling / Turtle Dove (Streptopelia turtur) illegally shot, at vets, BirdLife Malta Springwatch Camp, Malta, April 2013

David Tipling / Toddlers watching Magellanic Penguins (Spheniscus magellanicus) swimming underwater at Zoo, UK, May 2008. Model released.

David Tipling / Gentoo Penguins (Pygoscelis papua) group walking, Sea Lion Island, Falklands, November

Markus Varesvuo / Common Raven (Corvus corax) two in flight during snow storm, Kuusamo, Finland April

David Pattyn / Dalmatian pelican (Pelecanus crispus) resting on water in mist, Lake Kerkini, Greece, March

David Pattyn / Dalmatian pelicans (Pelecanus crispus) group on water in mist, Lake Kerkini, Greece, February

Tui De Roy / Red-billed tropicbird (Phaethon aethereus) in flight. Galapagos Islands, Ecuador.

Erlend Haarberg / European shag (Phalacrocorax aristotelis) flying between coastal rocks with a large wave crashing, Snaefellsnes peninsula, Iceland, February 2011

Erlend Haarberg / Northern fulmar (Fulmarus glacialis) in flight in snow storm, Iceland, April

Erlend Haarberg / Eider ducks (Somateria mollissima) taking off from water, Norway, January