51 



April 21 Goosander, Merganser americanus. 



21 Greater Yellow Legs, Totanus melanoleucus 



22 House Wren, Troglodytes aedon. 



23 Tree Sparrow, Spizella monticola. 



26 Wood Duck, Aix spovsa. 



2G Fox Sparrow, Passerella iliaca. 



28 Dusky Duck, anas obscura. 



28 Chipping Sparrow, Spizella socinlis. 



30 Fish Hawk, Faadion haUaetas carolinensis. 

 May 1 Bittern, Botanrus lentigiaosus. 



" ' 2 Black and White Creeper, Mniotilta varia. 



" 2 Chimney Swift, Chcetura pelagica. 



" 2 Rough-legged Buzzard, Archibuteo lagopus sancti-johannis. 



" 3 Redstart, Setophaga ruticilla. 



" 3 Summer Warbler, Dendroica cvstiva. 



" 3 Spotted Sandpiper, Actitis macularia. 



" 3 Barn Swallow, Chelidon erythrogaster 



" 3 Canada Goose, Branta canadensis. 



" 3 Ruby Crowned Kinglet, Regidus calendida. 



" 3 Golden Crowned Thrush, Seiurus anrocapillus. 



" 4 Yellowrurap Warbler, Dendroica coronata. 



" 5 Great-Crested Flycatcher, Myiarchus crinitus. 



" 5 Least Flycatchei-, E inpidonax minimus. 



" 5 Red Headed Woodpecker, Melunerpes erythrocephalns. 



" 8 Blue Yellow-back Warbler, Compsothlypis americana. 



" 8 Black-throated Green Warbler, Dendroica virens. 



" 8 Black-throated Blue Warbler, Dendroica ccerulescens. 



" 8 Night Hawk, Chordeiles virginianus. 



" 9 King-bird, Tyrannus tyrannus. 



'' 10 Cat-bird, Gahoscoptes carolinensis. 



' 11 Cape May Warbler, Dendroica tigrina. 



" 1 1 Blackburnian Warbler, Dendroica blackburnice. 



" 13 Goldtinch, Spinns t7'istis. 



" 13 Baltimore Oriole, Icterus galhul a. 



" 15 Baybreasted Warbler, Dendroica castanea. 



" 16 Surf Duck, Oidemia peispicillata. 



" 16 Long-tailed Duck, Clangula hyemalis. 



" 16 Pied Grebe, I'odilymbus podiceps. 



" 16 Least Sandpiper, Tringa minutilla. 



" 16 Chestnut Sided Warbler, Dendroica j)^nnsylvanica. 



" 16 White-headed S|)arrow. Zonotrichia leucophrya. 



" 17 Ruby Hummingbird, Trochilus colnbris. 



" 17 Maryland Yellow-throat, Geolhlypis trichas. 



" 18 Black and Yellow Warbler, Dendroica maculosa. 



" 18 Red-eyed V'ireo, Vireo oUvaceus. 



'' 18 Sand Martin, Glivicola riparia. 



