The Brimstone Canary or Bully Canary, (Serinus sulphuratus), is in the finch family. It is a resident breeder in central and southern Africa.
This species is found in open, lightly wooded habitats, such as hillsides with trees or scrub and forest edges.
The brimstone canary is 15–16 cm in length with a heavy bill, which is short, conical and very stout at the base. The bill is light brown with a pinkish or yellowish base. It has yellow-green upper parts with dark green streaking, yellow-green ear coverts and malar stripe, and two yellow wing bars. The underparts are yellow, with a greenish wash on the flanks, and breast.