10 



OBJECTIVE SEASONAL LESSONS. 



present a month or more before beginning to nest, 

 but those that come in May may be found nest- 

 building within a few days after their arrival. 



LIST OF SUMMER RESIDENTS. 



Laughing Gull.* 



Common Tern.* 



Wood Duck.* 



Great Blue Heron.* 



Little Green Heron. 



Black-crowned Night 

 Heron. 



American Bittern.* 



Least Bittern. 



Clapper Rail. 



King Rail.* 



Virginia Rail.* 



Woodcock. 



Spotted Sandpiper. 



Killdeer.* 



Mourning Dove. 



Osprey. 



Barn Owl.* 



Yellow-billed Cuckoo. 



Black-billed Cuckoo. 



Belted Kingfisher. 



Nighthawk. 



Whip-poor-will. 



Chimney Swift. 



Ruby-throated Humming- 

 bird. 



Kingbird. 



Crested Flycatcher. 



Phoebe. 



Least Flycatcher. 



Acadian Flycatcher. 



Wood Pewee. 



Baltimore Oriole. 



Orchard Oriole. 



Red-winged Blackbird. 



Purple Grackle. 



Bobolink. 



Meadowlark. 



Cowbird. 



Grasshopper Sparrow. 



Henslow's Sparrow.* 



Swamp Sparrow. 



Field Sparrow. 



Vesper Sparrow. 



Chipping Sparrow. 



Rose-breasted Grosbeak. 



Towhee. 



Indigo Bunting. 



Scarlet Tanager. 



Barn Swallow. 



Rough-winged Swallow.* 



Cliff Swallow. 



Bank Swallow. 



Tree Swallow. 



Purple Martin. 



Red-eyed Vireo. 



Warbling Vireo. 



Yellow-throated Vireo. 



White-eyed Vireo. 



Black and White War- 



bier. 



Blue-winged Warbler. 

 Worm-eating Warbler.* 

 Yellow Warbler. 



Not common. 



