EXERCISES IN GROUPING BIRDS 27 



petrel, tufted puffin, various owls, bald eagle, passenger 

 pigeon, mourning dove, various woodpeckers, belted king- 

 fishers, bob-white, quail, phoebe, least flycatcher, goshawk, 

 Carolina parakeet, purple martin, tree swallow, short-billed 

 marsh wren, and ruby-throated humming-bird. 



Birds That Do Not Construct or Use Any Nest 



Brunnich's murre, turkey vulture, black vulture, whip- 

 poor-^^^ll, and nighthawk. 



Birds That Lay Their Eggs in Hollows or Nests Constructed 

 BY Other Species 



Horned owl, screech owl, burrowing owl, barred owl, 

 saw-whet owl, sparrow hawk, wood duck, hooded-merganser, 

 bufflehead, American merganser, golden eye, cowbird, house 

 wren, and tree swallow. 



ButDS Which Are Resident Thkoughout the Year in a Given 

 Locality 



The various grouse, crow, blue jay, Canada jay, Clark's 

 nutcracker, the nuthatches, downy woodpecker, screech owl, 

 horned owl, barred owl, the eagles, chickadees; some of the 

 resident birds migrate for a short distance, so that in some 

 cases, while we may have some species of bird throughout 

 the year, it may be a diflFerent bird in winter and summer. 



Birds With Conspicuous Red or Orange Plumage 



This list is so easily compiled by consulting the pictures 

 that no printed list is necessary. 



