I have given the dates for more birds than you asked. You can select from them.

Nighthawk: May 14
Flicker: April 6
Red-headed woodpecker: May 5
Kingbird: May 12
Phoebe: April 1
Wood Pewee: May 20
Barn swallow: April 28
House Wren: May 5
?Brown thrasher: April 18
?Catbird: May 10
Veery: May 4
Bluebird: Last Week in March
Ruby-crowned hinglet: April 15
Red-eyed vireo: May 14
Yellow warbler: May 7
Oven-Bird: May 14
Bobolink: May 1
Meadowlark: March 21
Red-wing: March 15 to 21
Baltimore oriole: May 13
Scarlet tanager: May 20
Indigo bunting: May 15
Goldfinch: some stay all winter- migrants- May 1
Towhee: April 10
Chipping sparrow: April 14
Field sparrow: April 14
White Throated sparrow: April 21
Song sparrow: March 15
Thruster
Grachlin

I hope your talk will be a success
J. Harvey Williams

¹ For more information on Rev. Calvin McQuesten's participation in the Hamilton Bird Protection Society, see W8084