Aigrettes or ear-tufts present, but varying in size; ear-orifice very large, furnished with an operculum. Bill short and strong, the part covered by the cere is longer than that beyond the cere measured in a straight line from base to front. Tarsus and upper surface of toes thickly covered with feathers. Buff complete or nearly so; facial disk well-marked, and extending nearly as far above the eye as beneath it. Wings long and pointed, 2nd quill longest, 3rd subequal; tail moderate, rounded. Iris yellow.
Key to the Species.
a. Transverse dark markings as well as longitudinal stripes on abdomen ………………………A. otus, p. 270.
b. Only longitudinal shaft-stripes on abdomen………………………A. accipitrinus, p. 271.
BookTitle:
The Fauna Of British India including Ceylon and Burma
Reference:
Blanford, William Thomas, ed. The Fauna of British India: Including Ceylon and Burma. Vol.3 1895.
Title in Book:
Genus ASIO
Year:
1895
Page No:
270
M_ID:
6993
M_SN:
Asio
Volume:
Vol. 3
Term name:
id:
1623
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