Order CHAEADRIIFORMES 
Family CHARADRIIDuE. 
* 
No. 179. 
CHARADRIUS GUCULLATUS TREGELLASI. 
WESTERN HOODED DOTTEREL. 
Chabadeixjs CTJCUiiLATUS TREGELLASI Mathews, Nov. Zool., VoL XVIII., p. 218, 1912 ; 
Soutli-west Australia. 
^gialitis cucullata Milligan, Emu, Vol. II., p. 76, 1902 ; Ogilvie-Grant, Ibis 1910, p. 181. 
Charadrius cucullatus tregellasi Mathews, Nov. Zool., Vol. XVIII., p. 218, 1912. 
Charadrius cucullatus torbayi id., Austral Av. Rec., Vol. I., p. 30, 1912. 
Distribution. South-west Australia. 
Adult male. Differs from C. c. cucullatus in being darker and larger, and in having less 
black on the second outer tail-feather. 
Female. Similar to the male. 
Immature. Similar to the young of the Eastern form. 
Melanistic form {C. c. torhayi). Head and throat black ; a white collar on the nape ; 
entire back and upper tail-coverts black hke some of the wing-coverts ; primaries 
black, with a large white patch on the inner web ; rest of under-surface white 
including the under wing- and tail-coverts. 
Nest. A depression in the ground. 
Eggs. Clutch, three ; very similar to those laid by the Eastern bird but of a darker gro^und- 
colour. 
Breeding-season. September, October. 
Mr. Tom Carter says he never observed this bird in the North-west, but 
odd birds have been seen at several places on the South-west coast between 
Margaret River and Albany. 
“ On my first trip, I shot several of these birds, which, comparatively 
speaking, were numerous. Whilst searching for the small ‘ cowries ’ in the line 
of shells above high-water mark, my companion discovered three eggs placed 
in a depression on the beach. On my second trip I discovered, on the beach 
at Ellensbrook, two young ones concealed in a depression in the sand 
impressed by a cow’s foot. The parents had previously adopted the 
characteristic ruse of feigning to be grievously wounded. I subsequently 
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