Birds learn to sing in much the same ... used a computerized system to continuously monitor the song of eleven adult male Bengalese finches (Nature 450, 1240–1244; 2007). Finch song consists ...
The male has reddish forehead, breast and rump; a female house finch is streaked gray and brown above, with a lighter underside. Both sexes have brown-streaked bellies. These birds measure 5 3/4 ...
In comparison, male house ... courtship songs. These excellent mimics often imitate the calls of other species. Learn how to identify and attract a redpoll. Cassin’s finches are birds of the ...