Some evidence of a supposed tendency to intermarry among birds may perhaps be deduced from the practice of the long-tailed titmouse.
"Wild Life in a Southern County"
Richard Jefferies
He has to harmonize this antagonism before he becomes himself, and it adds much to his confusion to see that poor little pretender, Tom titmouse, talking and laughing and making merry.
"Manners and Social Usages"
Mrs. John M. E. W. Sherwood
There are, however, no ancestral diversities fighting for the possession of Tom titmouse.
"Manners and Social Usages"
Mrs. John M. E. W. Sherwood