endangered sandhill crane

birding boat breast bridge camouflage camp canoe cattail covered crane drake duck duckweed dyar eagle egret endangered environment feather flyfish forestry gander georgia goose guide gull hawk heron hike historical hunt journal lake lifelist mallard marker marsh meadow mill moss naturalist nature ornithology outdoor park pasture path perch pigeon pond reeds refuge river sandhill sandpiper sign songbird sparrow state swallow swamp talon tannin threatened trail trek tweet waders warbler watson wild wildlife wing woodpecker