3227^ 



serious reducing factor appeared .to . "be unusually., heavy predation "by jaegers 

 and Glaucous Gulls. '^>; - §iX3i^' t ^p^r i ted'.tH§t, ^x^aXlQ,:;]Aiard.&., Greater 

 Scaups,' arid -'Shovellers were observed as, being, oil the increase. ...... .Baldpates 



and Green-winged- -'Teal seemed to be holding- their own. . .^.Ylhite-fronted Geese 

 and Cackling Geese' seemed to show .a good increase.,., although. Emperor Geese seamed 

 less abundant' ' than- a yeiar 'ago." „ .' '....- -■■■; 



. .- ' '-.■'■' ; Newfoundland ...... ...... - ■ 



During- the monW of /June, 19^2, the biologist of the Atlantic Fly- 

 way, Harold S. Peters,' assisted by biologist Thomas D. Burleigh,- and by 

 agents and- field 'employees 'Of the Department of Natural Resources of 

 Newfoundland made a critical examination of .many areas in that; crown -- . ■ 

 colony. Work on- migratory waterfowl was conducted in. conjunction with 

 a more general '.survey .that has _ as its objective., .a detailed study- of' 

 the birds of -'Newfoundland. .„ ' ', t .,..--;. ~ -* •• 



Si© Emigratory waterfowl that nest On the' -island include the > Canada 

 Goose, Black Duck, Green-winged Teal, probably the Ring-necked Duck, and 

 the AmericarLGoldeneye. Nests and eggs or broods- of downy young--.of several 

 of these were ; .^se'eh repeatedly arid.it appears that. this area ^akes a con- .,: • '. -' 

 tribution of' some size ; to the ducks and- 'geese of the Atlantic,; Flyway,'.- ■• ; ; 

 particularly to that part that' may. be known as the northeastern flighty : •'.-. : . :•:.-'"■- 

 It was-' reported, however, that, the '.Canada Goose does not now nest in its 

 former numbers' although in the vicinity of Terra Nova the birds were ■ :■ 

 receiving some aid from, a local, citizen who' for 17 years has been raising 

 them in semi-captivity. Wild birds nest freely with those that have.' been 

 pinioned. ■■'.■ ' ' ;! ' '■'-"'", 



General' nesting- conditions .continue to be. good... The Goldeneye seems 

 to be' the 'most abundant duck and the area is .apparently at the edge of the 

 normal nesting range of the Black Duck, ' 1/ \ 



.._.*. ,. , .._,-. Mexico ... ,. ; • ■■ ■ 



Heretofore all Work on migratory -waterfowl in Mexico has -been con- ■ ', - , 

 ducted during' the winter months. It was known that certain species,: such ■ ■ ; 

 as the Muscovy and'; the Mexican' Black Duck,,, probably .were resident but- 

 reports also have been received indicating that-, some of the more northern 

 species -also might nest in. .moderate' numbers. The bioi'ogist. of 'the Pacific _■..' 

 Flyway, Luther J. Goldman, accordingly, devoted the' period from June .18 to " 

 October'^, 19^2, to a survey of areas in the States of Chihuahua. .-and Darangb. 

 Operations were originally planned to coyer. as much as possible of the cen- 

 tral Mexican 'tableland, but ..conditions imposed by the war made it necessary 

 to restrict the work- to the region, named. .•,■.■■■'- 



The 'most ' important, waterfowl 'breeding and wintering -grounds in , 

 Chihuahua ' include Lakes Bustillos, -Mexicanos, La Babicora, Santa Maria, 

 and Ojo de Agua, and the reservoirs of Boquilla, Colina, and San Marcos, 



