^"^■fgio^"] Wood and Tinker, Rarer Birds of Michigan. 133 



Nuttalornis borealis. Olive-sided Flycatcher. — This species 

 is not inentioned from Ann Arbor in Cook's list, but there is, in the 

 Museum collection, a pair that was taken here May 28, 1896, by A. 

 B. Covert. Other records are May 1, 1903 (Wood), and June 6, 

 1907, jNIay 18 and 29, 1908 (Tinker). Our only fall record is that 

 of a single bird noted in one of the cemeteries of the city, on October 

 7, 1908. The species is far from common during either migration, 

 and may be considered rare at all times. 



Empidonax virescens. Green-crested Flycatcher. — In 1881 

 Covert considered the species to be a rare summer resident. At 

 present it cannot be looked upon as anything but a rare migrant for 

 this vicinity, our records not warranting us in classing it as a sum- 

 mer resident. The only records that we have are, one taken on 

 May 27, 1869, by W. Harrington and one secured on May 15, 1896, 

 by D. C. Worcester. 



Spinus pinus. Pine Siskin. — In Cook's 'Birds of Michigan,' 

 Steere gives the Pine Siskin as "Rare at Ann Arbor," while A. B. 

 Covert, in 1881, says of it, "Winter visitant from the north." Since 

 1893 it seems to have become more common during both migrations, 

 as it was fairly abundant in the spring of 1907, from May 17 to 24, 

 while in the spring of 1908 it was recorded on May 9 and 10. In the 

 fall of 1908 Pine Siskins first made their appearance at x-Ynn Arbor 

 on September 26, and continued abundant up to November 8, dis- 

 appearing on the 15th: during the latter part of September and, 

 October 1, they were frequently observed feeding on the aphids 

 which infested the shade trees of the city. On Januar}^ 13, 1909, 

 three were observed within the city, and during the spring they 

 were noted about the city from May 6 to 23. They were most often 

 seen in small bands of a dozen or more individuals about coniferous 

 trees. 



Passerculus sandwichensis savanna. Savannah Sparrow.— 

 Covert gives the species as "A common migrant" in his list of 1881, 

 but since that time our records show that it is far from common 

 here, especially in the fall. A female was taken at Ann Arbor on 

 May 12, 1905, and on April 28, 1907, a male was taken and a num- 

 ber of others noted, south of town. This year — 1909 — it was 

 more common, an adult male being secured on April 14 and other 

 specimens on May 4 and 19. Up to date we have no fall records. 



