Retz's (red-billed) helmet-shrike
Appearance
Larger than chestnut-fronted helmet-shrike, lacks the chestnut forehead, and has a red eye-ring and jet-black (not dark grey) plumage. It is a gregarious species.
Juvenille is paler than adult, with a brown eye0ring, bill and legs.
Habitat
Mostly mopane and moimbo woodlands.
Call
Harsh grating calls, much like those of white-crested helmet-shrike.

Names
(en) Retz's helmet-shrike
(sc) Prionops retzii
(nl) Retz-klauwier
(af) Swarthelmlaksman