a ba! _ 
ASHY-HEADED UPLAND GOOSE 135 
set up by the farmers to frighten them. While com- 
mitting their depredations they are exceedingly wary 
and difficult to shoot, but at night, when they con- 
gregate by the water-side, they give the sportsman 
a better chance, I have succeeded in killing as many 
as five at a shot by stalking them under cover of the 
darkness; arid a more deliciously-flavoured game- 
bird than this Goose I have never tasted. 
They are social birds, always going in large flocks, 
and are very loquacious, the female having a deep 
honking note, while the male responds with a clear 
whistling, like the Sanderling’s note etherealised. 
ASHY-HEADED UPLAND GOOSE 
Bernicla poliocephala 
Head, neck, and scapulars leaden grey; breast and upper back chest- 
nut, banded with black; abdomen, under wing-coverts, and bend of 
the wing white; primaries black; secondaries white; greater wing- 
coverts black, edged with green and tipped with white; lower back 
and tail black; bill black, feet yellow; length 24, wing 13.5 inches. 
Female similar. 
Tuts Patagonian Goose migrates northwards in 
winter, and appears on the Rio Negro and in the 
Buenos-Ayrean pampas in May, usually in small 
flocks, but sometimes as many as one or two hundred 
are seen together. The extreme limit of their winter 
migration appears to be about sixty miles south of 
Buenos Ayres city, on the plains near the river 
