Tockus ruahae Tockus ruahae là một loài chim trong họ Bucerotidae_Tham khảo BULLET Kemp_A_C and W Delport 2002 Comments on the status of subspecies in the red billed hornbill Tockus erythrorhynchus complex Aves_Bucerotidae with the description of a new taxon endemic to Tanzania Annals of the Transvaal_Museum 39 1 8 BULLET Delport_W_A_C Kemp and J W H Ferguson 2004 Structure of an African_Red billed Hornbill_Tockus erythrorhynchus rufirostris and T e damarensis hybrid zone as revealed by morphology behavior and breeding biology Auk 121 565 586
Tockus ruahae