Black Tern (Chlidonias niger)
Woodchat Shrike (Lanius senator)
Unmistakable in breeding plumage, but otherwise easily confused with other marsh terns. Breeding plumage with black head and belly, but pale underwing and grey rump. When in immature and winter plumage it differs from Common and Arctic tern by smaller size and short, moderately forked tail, and from other marsh terns by slimmer body and wings (compared to White-winged tern), and relatively long, thin bill. Both immature and adult winter show dark front edge of wing, and characteristic dark shoulder patch at wing base. Back is dark in immature birds. Grey rump in all plumages. Flight usually different from Sterna-terns, with erratic dives for no apparent reason, and "aimless" change of direction. Note that when foraging over saltwater, flight becomes more Sterna-like.
Sound:Moderately vocal. Flight call a more or less clear "kleck, or a disyllabic "klee-ake" with accented first syllable. Sometimes slightly rolling "klirr-eke", but never as much as in White-winged Tern. Also a slightly harsher "kreek", but not as raspy as in Whiskered Tern.
Flight 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
CCAdults easily recognized by rufous cap, black back, white scapular patches and white rump. Appears more compact and bigger headed than Red-backed and Lesser Grey Shrike. White spot at base of bill larger in female than in male. Immatures told from Red-backed Shrike by whitish scapulars, greyer upperparts, diffuse patch at base of primaries, pale rump and dark brown tail. Young birds may also be confused with Masked shrike, but note less contrasting primary patch, darker forehead, browner upperparts and wings, pale rump, shorter tail and deeper bill. Subspecies L. s. badius lacks primary patch. More skulking than many shrikes. Likes high viewpoints.
Sound:Alarm call a dry, magpie-like "che-che-che-che-che", or a nasal, ascending oriole-like "weea". Territorial song loud and varied. Often repeats phrases and includes mimicry. Alternativ song a more continuous chattering with impressive mimicry similar to Red-backed and Lesser Grey Shrike, and difficult to separate from those.
Song:
Distribution:
Xeno-canto: map
Ecology:Birdlife ecology
Links:
Observation.org Latest observations
Image search Flickr NB! May give other species
CCCC-sound:Michele Peron, Licence,Link.