(29) 



moil diiriii','- migrations, but somewhat irre<,^ular. Apr. 1 to 20; Oct. 1 to 

 15. 



751. Poliopfila ccerulea ( Linn. )— Blue-gray Gnatcatcher. A not un- 

 common migrant. May 9, '98; Apr. 29, '99. 



754. i\fvadcs/cs tocV}isc)idii ( Aud. ) — Townsend's Solitaire. Rare sti"ag- 

 gler. Feb.' 16, '99. 



755. Hylocichla miistcliiius ( Gmel. ) — Wood Thrush. Summer resident, 

 common. Arrives May 4 to 15; breeds in June; leaves earh' in September. 



758a. Hylocichla ustulata szvainsoni (Caban.) — Olive-backed Thrush. 

 Common migrant. May 1 to 20; Sept. 10 to 20. 



761. Meriila viigratoria ( Linn. ) — American Robin. Common in 

 spring, summer and fall. A few remain throug^hout the winter, feeding 

 about open springs. The main body arrives from the south early in March, 

 and leaves in October and November. Breeds in April. 



766. Sialia sialis (Linn.) — Bluebird. An irregular summer resident. 

 Arrives in April; breeds from May to July; leaves in September and 

 October. 



SOME NOTES ON THE NESTING OF THE RAPTORES OF OTOE 

 COUNTY, NEBRASKA. 



MK. M. A. CARRIKEK, JK. 



The contents of this paper are taken from observations made by my- 

 self during the past four years, and nothing is entered of which I entertain 

 the least doubt as to its accuracy, unless special mention is made of the 

 fact. 



The most of my observations were made in the eastern part of the 

 countj', along the Missouri River and the small streams and creeks running 

 into it. This section was formerly covered with a heavy growth of timber, 

 and is so still in many places, affording excellent places of concealment 

 and breeding sites for the numerous Raptores common to this section of 

 the country. Here also can be found in abundance the small mammals on 

 which they depend for food for themselves and their young. 



The Raptores which, to my knowledge, breed here, are: Turkey Vul- 

 ture, Red-tailed Hawk, Red-shouldered Hawk, Cooper's Hawk, Sparrow 

 Hawk, Saw-whet Owl, Screech Owl, Long-eared Owl, Barred Owl and 

 Great Horned Owd. 



In addition to the above I have taken the following species, which are 

 merely migrants here: American Rough-legged Hawk, Marsh Hawk, 

 Swainson's Hawk, Sharp-shinned Hawk, Short-eared Owl and Barn Owl. 

 The Marsh Hawk w^as secured in November, and remained, I think, on ac- 

 count of the abundance of food; for the locality in which it was secured 

 abounded in field mice, which it had been eating. The Rough-legged, 

 Swainson's and Sharp-shinned Hawks were secured in the latter part of 

 March, and were probablj^ migrating. I secured a male and female Short- 

 eared Owl December 21, 1897, from a flock of seven. They were in a large 

 tract of hay-land, intersected with grass-grown hollows, which gave them 

 refuge during the daytime. I could find no trace of them the next spring 

 or summer, and came to the conclusion that they were congregated there 



