The members of this family were long confounded with Curlews. The bill is long, curved downwards and compressed at the sides, and there is, on each side of the culmen, a longitudinal groove, in the basal portion of which the nostril is pierced.
The four species of this family known to occur in India are referred to three genera.
Key to the Genera.
a. Tarsus covered with hexagonal scales.
a1. Head and neck naked in adults; plumage white……………………Ibis, p. 361.
b1. Head naked in adults, neck feathered ; plumage blackish……………………INOCOTIS, p. 362.
b. Tarsus with transverse scutellae in front.
c1. Head feathered in adults, only the lores naked……………………PLEGADIS, p. 364.
BookTitle:
The Fauna Of British India, Including Ceylon And Burma-birds
Reference:
Blanford, William Thomas, ed. The Fauna of British India: Including Ceylon and Burma. Vol. 4. 1898.
Title in Book:
Family IBIDIDAE
Year:
1898
Page No:
361
M_ID:
2093
M_SN:
Threskiornithidae
Volume:
Vol. 4
Term name:
id:
2232
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