House Martin (Delichon urbicum)
Mistle Thrush (Turdus viscivorus)
A small, compact martin with short, forked tail and pure white rump. Underparts shiny white (including throat and vent). Upperparts dark with shiny metallic glow to head and back. Juveniles overall more dull, with white tips to tertials and dusky, brownish upperparts. Flight determined and steady. Glides more than Sand Martin, with less frequent change of direction.
Sound:Contact call a rolling "krreet". Similar to Sand Martin but noticeably dryer, more rolling and less raucous. Typically varies the pitch of the call more. Song a merry improvisation of chirping, contact call-like sounds (sometimes recalling a budgerigar). Warning call a sharp and plaintive "tsreee".
Contact 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
CCA large, and often shy, thrush. Most similar to Song Thrush. Other than size, it is distinguished by a long tail with white corners, white under wing-coverts and a pale, vertical cheek patch. Underparts are boldly covered in round (not arrow-shaped) spots that forms a dark patch on each side of upper chest. Rump slightly paler than the olive back. Noticeably bulkier than Fieldfare, with a heavier bill. Posture upright when foraging on ground, and head seems paler than the back. Flight non-undulating, but with alternating bursts of wing-beats and glides with folded wings. Often flies high.
Sound:Song loud, far reaching and melodic. Most similar to Blackbird, but pitch is higher, phrases shorter (3-6 notes) and most notably, pauses between phrases are much shorter. All which gives the song a much more hurried feel than that of the Blackbird. Timbre is thinner and slightly shivering, and tonal range more limited. May have recurring favourite motifs, but does not repeat phrases like Song Thrush. Sometimes adds higher pitched parts and imitations. Other calls; a dry rattle, likened to the sound of a piece of wood drawn over a coarse comb, and a Fieldfare-like "chuck".
Song:
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