Kestrel
Killdeer Plover
King Duck
Kingfisher
Kite
Kittiwake
Knot
Land Rail
Lapland Bunting
Laughing Gull
Leache's Petrel
Lesser Black-backed Gull
Lesser Golden Plover
Lesser Grey Shrike
Lesser Kestrel
Lesser Tern
Linnet
Little Bittern