- Retz's
helmetshrike (Prionops retzii) is a
species of bird in the
helmetshrike family Vangidae,
formerly usually included in the Malaconotidae. Four subspecies...
-
songbirds in the
genus Prionops. They were
previously included with the true
shrikes in the
family Laniidae,
later on
split between several presumably closely...
- The
Gabela helmetshrike (Prionops gabela) is a
species of bird in the
Vanga family Vangidae,
formerly usually included in the Malaconotidae. It is endemic...
- The white-crested
helmetshrike (Prionops plumatus), also
known as the
white helmetshrike, is a
species of p****erine bird in the
Vanga family Vangidae,...
- The chestnut-fronted
helmetshrike (Prionops scopifrons) is a
species of bird in the
Vanga family Vangidae,
formerly usually included in the Malaconotidae...
- The gray-crested
helmetshrike (Prionops poliolophus) is a
species of bird in the
Vanga family Vangidae,
formerly usually included in the Malaconotidae...
- all
black with a
bright yellow or gold
crest (sometimes
described as a "
helmet"), with the
yellow extending across the
entire top half of the head above...
- (November 2004). "Phylogenetic
relationships of the
African bush-
shrikes and
helmet-
shrikes (P****eriformes: Malaconotidae)".
Molecular Phylogenetics and Evolution...
- West Africa. In
Central Africa it is
replaced by the rufous-bellied
helmet-
shrike (P. rufiventris) ; both are
sometimes regarded as two
subspecies of...
- 32 cm in length. Many have strong,
hooked bills similar to
those of
shrikes. The
helmet vanga has a
particularly large bill with a
casque on top.
Other species...