12 University of Michigan 



migrant and seen but once, September 9, 1917, with several 

 sanderling, near the resort at Birchwood Beach. 



Colinus virginiantis virginianus. Bob-white. — Xot a com- 

 mon resident of the region. It was heard calling in July, 19 17, 

 and May, 1918. At Warren Dunes a male was seen May 19, 

 1920. 



Bonasa twibellus imihellus. Ruffed Grouse. — This is a rather 

 rare resident of the dunes and Warren Woods. Recorded 

 July 23 and September 4, 19 17, in thick woods on the eastern 

 slope of the dunes a mile north of Birchwood Beach, and in 

 May, 1920, on the dunes. In 1919 it was observed in Warren 

 Woods May 15 by the writer, and October 12 by George Fox. 



Zenaidiira macroura carolinensis. Mourning Dove. — A com- 

 mon resident of the region, usually seen singly or in pairs. 

 May 7, 1918, a flock of eight flew north over the dunes. May 

 10 a nest with two eggs was found on the ground under high 

 huckleberry bushes near Birchwood Beach, A few were seen 

 about Warren Woods and many at the Warren Dunes, where 

 four nests were found in May, 1920, on the ground in the 

 thick forest. This wholesale departure in nesting habits is 

 noted here as it is unusual in a region where normal nesting 

 sites are so plentiful. 



Cathartes aura septentrionalis. Turkey Vulture. — This spe- 

 cies occurs rarely as a straggler from the south. One was 

 seen eating a chicken near Birchwood Beach by Dr. Hancock 

 September i, 191 7. At Warren Woods two were circling 

 over the forest in May, 1919, and one was seen May 12, 1920, 

 at Warren Dunes. 



Circus hudsonius. 'Marsh Hawk. — An occasional summer 

 resident of the small marshes back of the dunes. A number 

 of these hawks were migrating north over the dunes at Birch- 

 wood Beach the last three days of April, 1918. At Warren 



