Similar species
The Yellow-fronted Canary has a more brightly contrasting yellow rump, duller yellow underparts, a white-tipped tail, and is smaller.
Brimstone Canary is larger with a heavier bill and green (not yellow) forehead; more green overall (but notice geographic variation in Yellow Canary with birds from the Cape area being greener). Brimstone Canary has a much shorter supercilium that quickly narrows behind the eye.
White-throated Canary is similar to the female Yellow Canary, but larger, has a heavier bill, is less streaked, and the yellow-green rump contrasts more with the greyish-brown back and mantle.
Distribution
Southern Africa: Lesotho, South Africa, Botswana, Namibia and south-western Angola.
Introduced to the island of St. Helena and Ascension.
Taxonomy
Placed in genus Crithagra by Gill and Donsker.