1588. Harpactes oreskios uniformis

(1588) Harpactes oreskios uniformis Robinson.
THE MALAY YELLOW-BREASTED TROGON.
Pyrotrogon oreskios uniformis, Fauna B. I., Birds, 2nd ed, vol. iv. p. 321. Harpactes oreskios uniformis, ibid, vol. viii, p. 680.
Robinson’s Trogon, by which name this bird has hitherto been known, occurs from Tenasserim to the South of the Malay States.
Robinson sums Up their habits thus (‘Birds of Malay Peninsula,' vol. ii, p. 70, 1928):—“This Trogon is found in damp evergreen jungle, at an elevation from 2,000 to 4,000 feet, rarely higher or lower. In the more Northern districts it is found at much lower heights, often only 200 or 300 feet, but always in hilly country, and. sometimes affects much drier and more open country.” Davison found it practically in the open in isolated chimps of trees.
As this Trogon differs a little from other Trogons in its nidification I quote Davison’s deseription in full:—“On the 11th February I took my first nest of Harpactes oreskios, containing two fresh eggs. The eggs were laid on a few chips of decayed wood at the bottom of a hole scooped out (evidently by the bird) at the top of a decayed stump about 4 feet high, and was placed on the very edge of a path. The following day I took two more nests, each containing three eggs slightly incubated. One was in an exactly similar position to the first nest, but the other was in a bit of dead wood, about 9 inches long, that was stuck in a creeper, and was abont 12 feet above the ground.
“There is no doubt that the nest-holes are hollowed out, or at any rate enlarged, by the birds themselves. I found several more nests, and in one instance actually saw the hen Trogon at work excavating the hole. A very rotten stump is chosen, so that the bird can without difficulty chip out the wood.”
Bingham found a nest in a very curious position for that of a Trogon. He says that it was a cup-shaped hollow on the upper side of a branch not 12 feet from the ground. The tree itself was on “the very border of the high road (though it is a mere pathway after all) from Maul main to the Shan country.”
Later he found other nests, “mere hollows scraped or worn away in decayed branches or stumps of trees,”
Hopwood found all his nests in holes inside rotten stumps and says that they were” in shape and size like a cocoa-nut scraped out by the birds themselves and nearly always by a path.”
The breeding season seems to be restricted to February and March, every recorded egg having been taken between 11th February and 11th March.
Two to four eggs are laid, typically buff in colour, round in shape and very glossy in texture.
Eleven eggs average 20.3 x 21.3 mm. : maxima 27.4 x 21.3 and 27.1 x 22.0 mm. ; minima 25.2 x 21.3 and 25.4 x 20.7 mm.

BookTitle: 
The Nidification Of Birds Of The Indian Empire
Reference: 
Baker, Edward Charles Stuart. The nidification of birds of the Indian Empire. Vol. 3. 1934.
Title in Book: 
1588. Harpactes oreskios uniformis
Spp Author: 
Robinson.
Book Author: 
Edward Charles Stuart Baker
CatNo: 
1588
Year: 
1934
Page No: 
450
Common name: 
Malay Yellow Breasted Trogon
M_ID: 
8921
M_SN: 
Harpactes oreskios uniformis
Volume: 
Vol. 3
Term name: 
id: 
14740

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