Our Common Birds and How to Know Them 



April 

 10 to 20 Palm Warblers pass. Field Sparrows and Chipping Sparrows come. 



Red Crossbills leave for the north. 



20 to 30 White-throated Sparrows, Chewinks, Chimney Swifts, Brown Thrashers and 

 House Wrens appear. 



Winter Wrens go north. Most of (be Fox Sparrows ba-ve passed. 



May 

 i to 10 Whip-poor-wills, Catbirds, Barn, and Bank Swallows, Kingbirds, Oven-birds, 



Wilson's Thrushes, Wood Thrushes, Blue Yellow-backed Warblers, 

 Yellow Warblers, Black-throated Blue Warblers, Black and White Warb- 

 lers, Chestnut-sided Warblers, Solitary Vireos, White-eyed Vireos, Yellow- 

 throated Vireos, Redstarts, Grasshopper Sparrows, Rose-breasted Gros- 

 beaks, Baltimore Orioles, and Yellow-breasted Chats arrive. 



Juncos and Golden-crowned Kinglets go north. Ruby-crowned Kinglets also ' 

 resume their northward flight. 



