Willow Tit (Poecile montanus)
Arctic Tern (Sterna paradisaea)
Very similar to Marsh Tit, but cheeks whiter, head bigger, and upperparts greyer with white wing-panel. Black bib wider and bigger than in Marsh Tit. Lacks white spot at base of upper mandible. Willow Tits in Great Britain are warmer brown and are more difficult to separate from Marsh Tit.
Sound:Call: Most characteristic call a frequently uttered, nasal "ti ti chaa chaa chaa". First notes high pitched and the following lower, coarse, nasal and drawn. Sometimes uttered without the introductory high pitched notes. Song: One or two soft, clear, melancholic notes repeated in a slow, even rhythm. At first rising slightly in pitch, then gradually falling. In some areas song is evenly pitched. Other sounds: high pitced "zi zi" similar to other tits.
Alarm:
Distribution:
Wikipedia: map (se also Xeno-canto below)
Ecology:Birdlife ecology
Links:
Observation.org Latest observations
Image search Flickr NB! May give other species
CCDiffers from Common Tern in shorter head, and blood-red bill. Legs shorter, but tail streamers longer (extends well past wings in sitting birds). Underparts of primaries with sharply bordered dark trailing edge (diffusely bordered in Common Tern). Both primaries and secondaries transparent to sunlight. Crest less apparent than in Common Tern and underside greyer. Cheeks white just below the black cap, often in contrast to grey lower cheeks. Juveniles lacks buff coloured back.
Sound:Similar to Common Tern but higher pitched. Typical call a series of high pitched "tip-tip-tip", and longer, ringing, high-pitched "kriiiiii" calls. The drawn out "kree-aaahh" call falls less distinctly in pitch than Common Tern.
Calls:
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