1) Singer doing a vocal quaver 2) Warbler 3) Well known bird
Found on
https://www.crosswordclues.com/clue/triller
The trillers (Lalage) are a genus of passerine birds belonging to the cuckoo-shrike family Campephagidae. Their name comes from the loud trilling calls of the males. There are about 12 species which occur in southern Asia and Australasia with a number of species on Pacific islands. They feed mainly on insects and fruit. They build a neat cup-shape...
Found on
http://en.wikipedia.org/wiki/Triller
No exact match found.
