Project FeederWatch ends this month, feederwatch.org
Orioles return and begin nesting in southern part of the region. Get their feeders ready.
Whip-poor-wills arrive in the first half of the month.
Wintering sparrows begin to head north; the White-throated are usually the last to go.
Black-bellied Whistling-Ducks arrive at inland breeding sites.
Painted Buntings begin to arrive late in the month.
Spring migration brings the American Redstart, Ovenbird, Indigo Bunting, Baltimore and Orchard Oriole, Red-eyed Vireo early in the month and the Yellow
Warbler, Rose-breasted and Blue Grosbeak later.
Mature male Rose-breasted Grosbeaks arrive about three days before the females. First year males usually arrive last.
Indigo Buntings arrive.
Lyrids meteor shower, late-April.
Earth Day, April 22.
May
Over 250 species of wildflowers bloom this month in our fields and forests.
Mexican free-tailed bats begin raising young.
Peak of warbler migration happens very early in the month.
The first half of the month is peak migration for flycatchers, thrushes and northerly vireos.
Nighthawks and Chimney Swifts return.
Sub-adult Purple Martins return to establish new colonies early in month.
Peak of bird courtship. Listen for the dawn chorus.
Nesting materials are being collected.
Orioles return and begin nesting. Be sure to have their feeders, nectar, fruit and jelly out early.
The first fireflies of the year can be seen.
Black-bellied Whistling-Duck, Wood Duck and Mallard ducklings hatch and venture forth early this month.
