Medium-sized, with a hawklike appearance and a very long tail; tail about two thirds of the length of the wing, against one-half or more in the species of the genus ninox; tail slightly rounded; cere quite inflated, nostrils small; tarsus very heavy feathered, feathers also covering the basal phalanx of the toes; bristles on the bare part of the toes only weakly devloped; wing very
round, the fifth primary being the longest, whtile the ninox species either the third or fourth primary is longest. The bases of the feathers of the crown are white the pattern of cororation, consisting of bars on the upper parts and stripes below, is quite different from that of any species
of the genus. This sets it clearly apart form the ninox family in ehich is was origninaly placed. The genus consists of only one species.
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Its tolerance of degraded habitat is unknown and it is potentially threatened by logging of lowland forests