BIRD LIFE ON ISLAND 
AND SHORE. 
I. 
PORANGAHAU—THE CASPIAN TERN. 
ALTHOUGH the winter movements of littoral and 
lacustrine species are largely dependent on weather 
conditions, yet probably during the whole dead 
season there may in varying numbers be found 
on the Porangahau dunes, lagoons, beaches, and 
river-bed, Caspian Tern, Pied Stilt, Wrybill, God- 
wit, Pied Oyster Catcher, Redbill, Kittywake, 
Black Shag, Grey Duck, Black - backed Gull, 
Banded Dottrel, Sea Swallow, and perhaps Little 
Tern. Three times during 1910 these beaches 
were visited by J. C. M‘Lean and myself, or by 
myself alone. In October we found 1 pair of 
Caspian Tern, 5 or 6 pair of Pied Stilt, 12 or 14 
pair of Wrybill in several small parties, 3 pair of 
Godwit, 7 or 8 pair of Pied Oyster Catcher, a 
A 
