10 



BULLETIN 2 l J2_, U. S. DEPARTMENT OF AGRICULTURE. 



south along the coasts of Europe and Africa to the Cape of Good 

 Hope, the Persian Gulf, Australia, and New Zealand. 



Migration range. — In fall this jaeger appears not rarely on both 

 coasts of the United States from Maine to Florida and from Wash- 

 ington to southern California. It also occurs along the coast of 

 British Columbia and the Maritime Provinces. It has been noted 

 not rarely on the Great Lakes and several times as a wanderer in 

 Colorado, Kansas, Nebraska, Iowa, and Missouri. Almost without 



BREEDING 

 O OCCURRENCE IN SUMMER 



Fig. 3. — Parasitic ja)ger (Stcrcorarius parasiticus). 



exception all these records arc in fall. There are hardly half a dozen 

 spring records for both coasts, indicating that these birds are strag- 

 glers from the regular migration routes. Those seen October 26-28, 

 1912, off the coast of southern Brazil (Murphy) were undoubtedly 

 migrants on their way to a more eastern and southern winter home. 

 Spring migration. — As just remarked, records in spring are not 

 common south of the breeding range. The parasitic jrcgcr arrived 

 at Bay of Mercy on Banks Land, May 31, 1852 (Armstrong), and was 



