Hinder margin of sternum with a single shallow notch on each side; furcula anchylosed to keel of sternum; no manubrium sterni. Skull long and narrow. Second joint of third toe considerably longer than the basal joint. (Beddard, Ibis, 1888, p. 340.)
Only two genera are known—Strix, which is almost cosmopolitan, and Heliodilus, peculiar to Madagascar.
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:
Family STRIGIDAE
Year:
1895
Page No:
264
M_ID:
6323
M_SN:
Strigidae
Volume:
Vol. 3
Term name:
id:
1613
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