. Bulletin of the British Ornithologists' Club. Birds. [Bull. Brit. Orn. CI. 1986 106(3)] 130 TABLE 2 Measurements (mm) of Centropus monachus and C. cupreicaudus: mean (range). Taxon Region n Wing Tail Total Culmen Tarsus Source C. monachus Zaire 9 () (194-233) (7) (^10) (^) KMMA Kasai 12 (10) () (10) () (36â) () KMMA S. Kivu + Rwanda 20 () (19) () () () KMMA Mabwe (Upemba) 5 (160-177) (185-210) () (40-42) KBIN C
. Bulletin of the British Ornithologists' Club. Birds. [Bull. Brit. Orn. CI. 1986 106(3)] 130 TABLE 2 Measurements (mm) of Centropus monachus and C. cupreicaudus: mean (range). Taxon Region n Wing Tail Total Culmen Tarsus Source C. monachus Zaire 9 () (194-233) (7) (^10) (^) KMMA Kasai 12 (10) () (10) () (36â) () KMMA S. Kivu + Rwanda 20 () (19) () () () KMMA Mabwe (Upemba) 5 (160-177) (185-210) () (40-42) KBIN C. cupreicaudus Shaba (+ 1 Kasai +1 Ndola, Zambia) Tanzania 19 4 (205-228) () (218-262) (233-255) (16) (37-47) () () () KMMA. KBIN ZMB Note. Number in brackets after the mean indicates number of specimens measured if different from n. I find that the same abrupt change that Traylor found in measurements between monachus and cupreicaudus occurs as well in Zaire (see Table 2). Verheyen (1953) remarked that Kivu monachus is rather large but nevertheless considered monachus and cupreicaudus conspecific, notwith- standing the fact that he had recognised both taxa as virtually sympatric in Upemba. The series mentioned by him from Mabwe, Upemba, is separated by c. 400 km from the Kasai and c. 700 km from the Kivu records. This apparently isolated 'pocket' of monachus is definitely situated in ''cupreicaudus country", whereas the other populations are seemingly far away from that species' range (see Map 1). Conceivably monachus has a continuous circum-forest Map 1. Specimen and acceptable relevant literature localities for Centropus monachus â and C. cupreicaudus â¡. Data for Zambia, where C. cupreicaudus is widespread (see Benson et al. 1971) are excluded. The equatorial forest is in oblique Please note that these images are extracted from scanned page images that may have b
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