Genus CYANOSYLVIA

Brehm, Isis, 1828, p. 920. Type, G. suecica Linn.

The genus Cyanosylvia contains two species of Blue-throats found in India, birds which are allied to the Robin, though, like the Beds tarts, they have a good deal of red on the base of the tail. The males have the chin and throat a brilliant blue, but the females are plain brown birds with less bright colouring.

In Cyanosylvia the tail is short, only twice the length of the tarsus, the rictal bristles are not well developed though present and the bill is slender.

The name Cyanecula, used by Oates in the 'Avifauna,5 cannot be used, as in the * Isis' on an earlier page Brehm had already given this bird as the type of Cyanosylvia.

Until recently the Red-spotted and White-spotted Blue-throats have generally been considered geographical races of the same species, but as Ludlow and Osmaston have obtained the two forms breeding in the same area they must either be given the status of species or rank merely as dimorphic forms of the same species.

Key to Species.

A. Throat blue with a chestnut spot in
the centre C. suecica, J, p. 84.
B. Throat either wholly blue or with a
white spot in the centre C. cyanecula, p. 86.
C. Throat whitish or buff with a gorget of [p. 84.
black spots C. cyanecula and suecica,

BookTitle: 
The Fauna Of British India, Including Ceylon And Burma-birds(second Edition)
Reference: 
Baker, EC S (1922–1930) The fauna of British India including Ceylon and Burma. Second edition. vol.2 1924.
Title in Book: 
Genus CYANOSYLVIA
Book Author: 
Edward Charles Stuart Baker
Year: 
1924
Page No: 
82
Volume: 
Vol. 2
id: 
3051

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