Birds of Australia: Part II

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Black-headed Cuckooshrike plate 55
Black-headed Cuckooshrike plate 55
Plate depicting: Coracina melanoptera (Ruppell, 1839) -- Black-headed Cuckooshrike. Alternate name, as printed: Graucalus melanops -- Black-faced graucalus
White-bellied Cuckooshrike plate 56
White-bellied Cuckooshrike plate 56
Plate depicting: Coracina papuensis (J. F. Gmelin, 1788) -- White-bellied Cuckooshrike. Alternate name, as printed: Graucalus mentalis -- Varied graucalus
White-bellied Cuckooshrike plate 57
White-bellied Cuckooshrike plate 57
Plate depicting: Coracina papuensis (J. F. Gmelin, 1788) -- White-bellied Cuckooshrike. Alternate name, as printed: Graucalus hypoleucus -- White-bellied graucalus