713. Lanius nigriceps longicaudatus

(713) Lanius nigriceps longicaudatus.

The Siam Black-headed Shrike.

Zanius nigriceps subsp. longicaudatus O.-Grant, Nov. Zool., ix, p. 480 (1902) (Bangkok, Siam).

Vernacular names. None recorded.

Description. Chestnut of the upper parts much richer than in the preceding bird; the patch ot white at the base of the tail much larger and the tail itself generally longer. Otherwise similar to the typical form.

Colours of soft parts as in the Indian Black-headed Shrike.

Measurements. Wing 93 to 99 mm.; tail 130 to 155 mm.; tarsus about 29 mm.; culmen about 18 mm.

Distribution. Central South Siam, Tenasserim and Peninsular Siam and Burma. Two specimens sent me taken near Amherst with the nest and eggs were both of this race with tails measuring 140 and 144 mm. respectively.

Nidification. Mr. E. G. Hartert took several nests of this Shrike in Siam. He says, "The usual nesting-site is a small tree or bush in scrub-jungle or, not infrequently, a solitary ' Makam-tate' tree (Pithecolobium dulce) out among the paddy-fields. The nest is built at 10 to 20 feet from the ground and is a deep cup-shaped structure, composed of grass-stems and fine creepers firmly packed together, with a neat lining of roots and grasses. May and June is the nesting-season." The eggs, three to five in number, are indistinguishable from those of the last bird. Twenty-four eggs average 24.1 x 18.3 mm.: maxima 27.5x 19.0 mm.; minima 20.3 x 17.0 mm.

Habits. Similar to those of the Indian Black-headed Shrike, but it is found in the plains and low hills during the breeding-season as well as in Winter and appears to be resident. According to Herbert and Williamson it is very common round about Bangkok.

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: 
713. Lanius nigriceps longicaudatus
Book Author: 
Edward Charles Stuart Baker
CatNo: 
713
Year: 
1924
Page No: 
294
Common name: 
Siam Black Headed Shrike
M_ID: 
19073
M_SN: 
Lanius schach longicaudatus
Volume: 
Vol. 2
Term name: 
id: 
3308

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