Zeocephus cinnamomeus Sharpe,
Trans. Linn. Soc. 2d. ser. Zool. (1877), 1, 329; Cat. Birds
Brit. Mus. (1879), 4, 343; Hand-List (1901), 3, 262; McGregor
and Worcester, Hand-List (1906), 74.
Basilan (Steere, Steere Exp., Bourns & Worcester, McGregor); Bongao
(Everett); Mindanao (Koch & Schadenberg, Goodfellow, Celestino);
Sulu (Platen, Bourns & Worcester); Tawi Tawi (Bourns & Worcester).
Adult.--Very similar to X. rufus, but lighter in color and with the
central rectrices not greatly exceeding the next pair. See also the
notes under X. rufus.
Young.--Not distinguishable from the young of X. rufus.
"Both this and Z. rufus are strictly deep woods forms, never seen
about open country. Eight males from Basilan and Tawi Tawi average:
Length, 187; wing, 87; tail, 85; culmen, 24; tarsus, 20; middle toe
with claw, 18. Two females, length, 182; wing, 85; tail, 80; culmen,
23; tarsus, 16; middle toe with claw, 18. Iris bright slaty blue to
black; nails black; bill blue to black; eye-wattles blue." (Bourns
and Worcester MS.)