Purple Swamphen (Porphyrio porphyrio)
Great Black-backed Gull (Larus marinus)
Largest rail in VP. Clearly bigger than coot, and almost twice the size of Moorhen. Generally unmistakable with its dark, violet blue plumage, long, robust legs and heavy bill. Under tail coverts white. Red frontal shield and bill, pinkish red legs. Immature birds with duller coloured legs, duller plumage and faintly greyish/whitish underparts. Trailing legs obvious in flight. Swims readily.
Sound:Rich repertiore and very vocal. Sounds range from soft, mewing and laughing to hard, extremely shrill trills. Generally louder, and shriller than congeners. Often merges into, or starts with diagnostic, extremely hard trill "krrrrriiit".
Contact calls:
Distribution:
Xeno-canto: map
Ecology:Birdlife ecology
Links:
Observation.org Latest observations
Image search Flickr NB! May give other species
CCAdults: Black back and pinkish legs. Large white windows at tips of primaries, and broad white trailing edge of wing. A very heavy gull with a heavy bill and broad wings. Juveniles with pale head, boldly spotted back and heavier bill than Lesser Black-backed and Herring Gull.
Sound:Can be identified from the low pitch alone. Clearly deeper than Lesser Black-backed and Herring Gull.
Call:
Distribution:
Xeno-canto: map
Ecology:Birdlife ecology
Links:
Observation.org Latest observations
Image search Flickr NB! May give other species
CC