03-18-12 Carderock

The springtime explosion is early and concentrated this year. Ephemerals, tree/shrub budbreak, newly emerged butterflies.

Zebra swallowtail (<i>Protographium marcellus</i>), spring brood newly emerged
C&O Canal Nat'l Historical Park - Carderock Recreation Area, Western Montgomery County, MD

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Zebra swallowtail (Protographium marcellus), spring brood newly emerged C&O Canal Nat'l Historical Park - Carderock Recreation Area, Western Montgomery County, MD

all nature photos butterflies insects carderock Montgomery Co Maryland c and o canal