THE OOLOGIST. 



73. Accipiter airicapiUus (American goshawk;. Winter resident; not unfrequently 

 met with. 



73. Buteo borealis (red-tailed h^.wk). Abundant; a resident; nest of .sticks, va 

 woods, early in April; eggs, 2-4, light, with brown splotches; food, rabbits, squirrels, 

 poultry, &c. 



74. Buteo Uneatus (red-shouldered hawk). Common as a winter resident; may 

 occur as a summer resident, so given by B. and Dr. W. 



75. Buteo Intissimus (broad- winged hawk). Resident; not abundant; nest similar to 

 that of Cooper's hawk; eggs smaller, and spotted. 



76. ArcMbuteo lagopvs santi-johannis (American rough-legged hawk). A whiter 

 resident; rather rare. 



77. Aquila chrysaetos (golden eagle). Very rare; occurs at intervals, springfuid fall. 



78. Haliaiitus leucocephalus (bald eagle). Occasional in spring and fall. A nest 

 said to have been found in the county a number of years ago. Food consists of tish, 

 snakes, &c. 



79. Falco islandus (white gyrfalcon). Given by Dr. Warren as having been taken 

 on one occasion in our county. A straggler from the far north. 



80. Falco peregrinus anatum (duck hawk). Very rare; as a winter resident only. 



81. Falco columbarms (pigeon hawk). A rather rare winter resident. 



8'3. Falco sparverius (sparrow hawk). Very abundant; breeds in holes in decayed 

 trees, often selecting an isolated chestnut in an open field; eggs, 5, light, covered thickly 

 with brown spots or blotches; food, mice largely. 



83. Pandion halia'etus carolinensis (American osprey). Abundant in spring and 

 f-dl. Given by Dr. Wai'ren, in list of 1879, as breeding in the county; not in his later 

 list. I have never found iL breeding here, but have heard that a nest was at one time 

 found on the Brandywine in this county. 



84. Stri.v 2)7'atincola (Aviieric'dn hum owl). Extremely rare or accidental; this spe- ^ 

 cies is generally resident where found, and has been captured in our county; given by B. ' 

 andM. 



85. Asio wilsonianus (American long-eared owl). Abundant at times in fall, winter 

 and spring; breeds rarely; eggs, 4-7, white; nest usually of sticks; a deserted crows' nest 

 is sometimes occupied. 



86. Asio acciptrinus (short-eared owl). Winter resident; not uncommon. 



87. Syrnium nebiilosum {harred o^v]). Resident; not very abundant generallj^; nest 

 and habits similar to the great-horned owl. 



88. Wj/ctala acccdica {saw-whet owl). Rare; probably resident, although I know of 

 no instance of the nest having been found in our county. Given by Michener as resident. 



89. Megascops asio (screech owl). Well known, and a rather abundant resident; 

 nests in hollow trees, frequently in orchards, especially if marsh or meadow land is near 

 by; eggs, 4-6, white; food, small birds, mice, &c. ; in May and June, while the young- 

 are being cared for, they are very destructive to numerous small insectivorous birds. 



90. Bubo ni7'ginia/i>(s (great horned ow\). Common; resident; rears j'oung in cavi- 

 ties of decayed tree or deserted nest of hawk or crow; eggs, 2-4, pure white, nearlj^ as 

 large as those of the domestic fowl; food, rabbits, mice, chickens, &c. 



91. Nyctea nyctea (snowy owl). Given by Michener as a rare winter resident. I 

 have never met with it. 



92. Coceyzus americaniis (yellow-billed cuckoo). Quite similar to the following; 

 both are called " rain crows." Habits and food same. Eggs of this species larger and 

 generally paler in color. I have found this species much more abundant than the follow- 

 ing. Dr. Warren found the reverse. 



93. Coceyzus eryihrophthalinus (black-billed cuckoo). Occurs only as a summer res- 

 ident; nests in thickets and woods; eggs, 3-5, dark-green or bluish-green. Food of this 

 and last species, insectiverous and largel}', in season, of tent caterpillar. 



94. Ceryle alcyon (belted kingfisher). Abundant as a summer resident; rarely re- 

 mains throughout mild winters; nest in hole in bank along roadside or stream, often six 

 to eight feet deep; eggs, 6-7, pure white, are deposited at rear of excavation on bare 

 ground or on bones of fishes undigested by old bird. 



95. Dryobntes nllosus (hairy woodpecker). Resident; common, but never abund- 

 ant; nests early in April, in a hole, which the birds excavate, usually, in or near a swamp 

 bordering or near a woods; eggs, 4-5, white, like those of all the woodpeckers; food, in- 

 sects entirely, or mainly.. 



