davidbbernstein1: IMG_7138 Carlsbad Cave cave swallow
davidbbernstein1: IMG_7133 Carlsbad Cave cave swallows
davidbbernstein1: IMG_7132 Carlsbad Cave cave swallows
davidbbernstein1: IMG_7130 Carlsbad Cave cave swallows
davidbbernstein1: IMG_7111 Carlsbad barn swallow
davidbbernstein1: IMG_7101 Carlsbad cassin's vireo
davidbbernstein1: IMG_7088 Carlsbad barn swallow
davidbbernstein1: IMG_7085 Carlsbad western kingbird
davidbbernstein1: IMG_7079 Carlsbad great-tailed grackle