My grandfather, Dr. J. Murray Speirs, always referred to the female American Redstart as a “Yellowstart”.
Males are black above, with fiery orange wedges on the tail, wings and sides and white belly.
Females and young have the black replaced with olive-gray, and the orange patches with yellow ones.
I had a good look at two females, likely juveniles, this morning at Ashbridge’s Bay:
What can better please,
When your mind is well at ease,
Than a walk among the green fields in May? – William Allingham (1824–89)