- proposed:
Tockus rufirostris rufirostris Sundevall, 1850 —
bushveld regions of Transvaal,
southern Botswana and
southern Zimbabwe Tockus rufirostris degens Clancey...
-
Tanzanian red-billed
hornbill (T. ruahae),
southern red-billed
hornbill (T.
rufirostris) and
Damara red-billed
hornbill (T. damarensis), but some authorities...
-
pectoralis (Broun, 1914)
Peristoreus poecilus (Broun, 1921)
Peristoreus rufirostris (Broun, 1880)
Peristoreus ****maculatus (Broun, 1881)
Peristoreus spadiceus...
-
Structure of an
African Red-billed
Hornbill (Tockus
erythrorhynchus rufirostris and T. e. damarensis)
hybrid zone as
revealed by morphology, behavior...
- red-billed hornbill,
Tockus damarensis Southern red-billed hornbill,
Tockus rufirostris Tanzanian red-billed hornbill,
Tockus ruahae Western red-billed hornbill...
- (Suricata suricatta)
Meerkats Southern red-billed
hornbills (Tockus
rufirostris)
Ostriches (Struthio camelus) in the salt pan Cape
ground squirrel (Xerus...
- red-billed
hornbill (Tockus damarensis)
Southern red-billed
hornbill (Tockus
rufirostris)
Tanzanian red-billed
hornbill (Tockus ruahae)
Western red-billed hornbill...
-
Structure of an
African Red-billed
Hornbill (Tockus
erythrorhynchus rufirostris and T. e. damarensis)
hybrid zone as
revealed by morphology, behavior...
-
Structure of an
African Red-billed
Hornbill (Tockus
erythrorhynchus rufirostris and T. e. damarensis)
hybrid zone as
revealed by morphology, behavior...
- Monteiro's hornbill,
Tockus monteiri (E)
Southern red-billed hornbill,
Tockus rufirostris (E)
Damara red-billed hornbill,
Tockus damarensis (E)
Tanzanian red-billed...
