Steve Knell / Arctic tern (Sterna paradisaea) hovering, UK

Steve Knell / Common Snipe (Gallinago gallinago) on post, calling. Shetland Isles, Scotland, July

Steve Knell / Blue tit (Parus caeruleus), perched on a mossy twig. Gloucestershire, UK, February

Steve Knell / Arctic tern (Sterna paradisaea) on nest, with egg visible, UK

Steve Knell / Twite (Acanthis flavirostris) female on lichen-covered wall. Shetland Isles, Scotland, July

Steve Knell / Kittiwake (Rissa tridactyla) adult in flight, Northumberland, July

Steve Knell / Sandwich tern (Thalasseus sandvicensis) in flight, Farne Isles, Northumberland. June

Steve Knell / Kittiwake (Rissa tridactyla) pair interacting at breeding colony. Northumberland, July

John Cancalosi / Moorhen {Gallinula chloropus} amongst Water lilly vegetation, England

John Cancalosi / Moorhen {Gallinula chloropus} amongst Water lilly vegetation, England

John Cancalosi / Moorhen {Gallinula chloropus} amongst Water lilly vegetation, England

John Cancalosi / Young Moorhen {Gallinula chloropus} walking over Lilly pads, England