Rüppell's Warbler (Curruca ruppeli)
Common Gull (Larus canus)
Adult male easily recognized by black throat and strong white moustache stripes. Female often also with black spotted throat which, together with the moustache stripe and pale chest/belly, makes it easy to distinguish from other Sylvia. Females and immatures with pure white throat may be confused with female Sardinian Warbler, but show darker front half of head, paler and purer coloured belly and flanks (lacking brownish tinge) and white fringes to greater coverts and tertials (less obvious in worn plumage). For all plumages look for curved culmen, pointed bill and longer and squarer tail than Sardinian Warbler. Build more similar to Whitethroat than Sardinian Warbler, and also less agile than smaller Sylvia.
Sound:Alarm call a rolling "trrrrrrrrt", similar to Spectacled Warbler, but less confluent (fewer pulses pr. sec.). Not as hard as corresponding call of Sardinian Warbler. Song a rapid mix of rolling alarm call type syllables, with interwoven single whistling notes. Rolling clearly softer than in Sardinian Warbler and often dominates the song with sequences of up to one second, giving it a very hectic feel. Each phrase rarely more than 2 seconds long. Some geographical variation exist and individuals with less rolling song easier to confuse with Sardinian and Cyprus Warbler.
Song (with extensive rolling), alarm, song:
Distribution:
Xeno-canto: map
Ecology:Birdlife ecology
Links:
Observation.org Latest observations
Image search Flickr NB! May give other species
CCCC-photo:Oscar en Jolanda Balm, Licence,Link.
CC-photo:Arie en Anneke Kolders, Licence,Link.
Differs from Herring Gull in smaller size, lighter bill and light flight. Head profile rounded, and the small bill lacks the red spot of the larger gulls. Told apart from Kittwake by greenish legs and large white spot on wing tips. Juveniles quite similar to young Ring-billed Gulls, but latter have paler grey back, heavier, pinkish bill with dark tip, pale mid-wing panel and less contrasting terminal band of tail.
Sound:Various mewing sounds. Similar in form to Herring Gull, but much higher pitched.
Call:
Distribution:
Wikipedia: map (se also Xeno-canto below)
Ecology:Birdlife ecology
Links:
Observation.org Latest observations
Image search Flickr NB! May give other species
CC