Orioles return and begin nesting in southern part of 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.
