Description
At 14–16 cm (5.5–6.3 in), the Black Bishop is large for its genus. The breeding male is black on the wings, tail, chest, cheeks and forehead. The neck, back of the head and breast band) are orange or orange-red. The under tail-coverts are pale buff with black streaks, and the upper back is yellow or orange-yellow in subspecies ansorgei, and orange in friederichseni. The throat is scarlet in the nominate subspecies and black in ansorgei. The subspecies friederichseni has the undertail coverts isabelline. The upper back is golden yellow and the rump is brown. The conical bill, characteristic of finches, is black and the tarsus is brown. Females are dark, including the sides of the face, have boldly spotted under tail-coverts, and dark spots on a buff breast. The female's wing linings are black. The non-breeding male is black on the back, wings and rump, with yellowish supercilia and chin; the sides of face and breast are tawny buff. The juvenile resembles the female but has smaller breast spots. The calls comprise various subdued twittering sounds, including see-zee see-zee see-zhe see-zhe SEE-ZHEE, zee-zee-zeezee-zee, and hishaah, hishaah, SHAAAAAAH, tsee-tseet-tseet-tseet.
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