GREATER YELLOWSHANKS _ig9 
being much more solitary and sedentary in its ways, 
feeding for hours in one spot, and in its Snipe-like 
habit of sitting close when approached and remaining 
motionless watching the intruder; also in its lan- 
guage, its low, soft, tremulous cry when flying being 
utterly unlike the sharp and clicking sounds emitted 
by other species. During the hot months, when 
water begins to fail, they occasionally congregate in 
flocks, sometimes as many as two or three hundred 
individuals being seen together; but at all times 
it is more usual to see them in small parties of half 
a dozen or singly. 
Two other well-known Arctic-American species of 
Tringa are annual visitants to Argentina :—Baird’s 
Sandpiper, T. bairdi, and Bonaparte’s Sandpiper, 
T. fuscicollis. 
GREATER YELLOWSHANKS 
Totanus melanoleucus 
Above brownish grey spotted with white; rump nearly white ; 
beneath white; throat and neck with black streaks; bill black, feet 
yellow ; length 14, wing 7.5 inches. Female similar. 
THE Greater Yellowshanks is best known as an 
Arctic-American species, descending south during 
migration, and arriving in La Plata at the end of 
September or early in October, singly or in pairs, 
and sometimes in small flocks. Without ever being 
abundant the bird ts quite common, and one can 
