Genus ALSOCOMUS

There are several Indian non-migratory Pigeons that resemble Palumbus in structure, but that have the habits of Carpophaga. They are forest-haunting, fruit-eating birds, and they lay a single egg in all cases in which the nidification is known. Some have been referred to Palumbus, others to Ianthoenas, and one has generally in India been regarded as a Carpophaga, though its structure is that of the Columbinae. All are distinguished by dark Coloration and by the prevalence of changeable metallic gloss, usually green or amethystine, on a great part or the whole of the plumage. Although some differences of plumage exist and the group might be subdivided, there is sufficient agreement to justify the retention of the whole under Tickell's generic name Alsocomus, which would in this case comprise Ianthoenas. Besides the species here enumerated several Pigeons of the Malay Archipelago, Japan, and even of Oceania belong to this genus.

Key to the Species.

a. A patch of black feathers with white tips at back of neck.
a1. Lower parts grey………………………..A. elphinstonii, p. 36.
b1. Lower parts lilac ………………………..A. torringtonii, p. 36.
b. Glossy buff feathers, black at base, extending round neck………………………..A. pulchricollis, p. 37.
c. No patch of white- or buff-tipped feathers on neck.
c1. Mantle chestnut………………………..A. puniceus, p. 38.
d1. Mantle blackish………………………..A. palumboides, p. 39.

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: 
Genus ALSOCOMUS
Book Author: 
William Thomas Blanford
Year: 
1898
Page No: 
35
M_ID: 
4814
M_SN: 
Columba
Volume: 
Vol. 4
Term name: 
id: 
1838

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