Female Canaries can sing, it's not super common, but it does
happen. They have a weaker song though.
Here is a video of a [supossed] female singing:
Did you know that both male and female Canaries can sing as
youngsters... but it is a weak baby song and the females
usually stop before 6 monthes of age.
Anyways for you orange Canary.. sitting in the food dish...
he may be sick or she may be broody.
I had a female Canary that sang years ago. We always
thought it was a male until it layed eggs. Can't remember
enough to say if the song was similar to the link