E.J. Peiker/ BIA / American Yellow Warbler (Setophaga aestiva) male, Texas

E.J. Peiker/ BIA / Wood Thrush (Hylocichla mustelina), Texas

E.J. Peiker/ BIA / White-eyed Vireo (Vireo griseus), Texas

E.J. Peiker/ BIA / White-eyed Vireo (Vireo griseus), Texas

E.J. Peiker/ BIA / Painted Bunting (Passerina ciris) female, Texas

E.J. Peiker/ BIA / Orchard Oriole (Icterus spurius) juvenile, Texas

E.J. Peiker/ BIA / Orchard Oriole (Icterus spurius) female calling, Texas

E.J. Peiker/ BIA / Orchard Oriole (Icterus spurius) female feeding on fruit, Texas

E.J. Peiker/ BIA / Orchard Oriole (Icterus spurius) male, Texas

E.J. Peiker/ BIA / Orchard Oriole (Icterus spurius) female, Texas

E.J. Peiker/ BIA / Orange-crowned Warbler (Oreothlypis celata), Texas

E.J. Peiker/ BIA / Northern Mockingbird (Mimus polyglottos) feeding on berries, Texas

E.J. Peiker/ BIA / Gray Catbird (Dumetella carolinensis) feeding on berries, Texas

E.J. Peiker/ BIA / Gray Catbird (Dumetella carolinensis), Texas

E.J. Peiker/ BIA / Golden-winged Warbler (Vermivora chrysoptera) male, Texas

E.J. Peiker/ BIA / Eastern Meadowlark (Sturnella magna) male calling, Texas

E.J. Peiker/ BIA / Eastern Kingbird (Tyrannus tyrannus), Texas

E.J. Peiker/ BIA / Common Grackle (Quiscalus quiscula), Texas

E.J. Peiker/ BIA / Common Grackle (Quiscalus quiscula), Texas

E.J. Peiker/ BIA / Chestnut-sided Warbler (Setophaga pensylvanica) male, Texas

E.J. Peiker/ BIA / Blackburnian Warbler (Setophaga fusca) female, Texas

E.J. Peiker/ BIA / Baltimore Oriole (Icterus galbula) male, Texas

E.J. Peiker/ BIA / Acadian Flycatcher (Empidonax virescens), Texas

E.J. Peiker/ BIA / Ring-necked Duck (Aythya collaris) female, Arizona

E.J. Peiker/ BIA / Pyrrhuloxia (Cardinalis sinuatus) male, Texas

E.J. Peiker/ BIA / Hooded Merganser (Lophodytes cucullatus) male, Arizona

E.J. Peiker/ BIA / Hooded Merganser (Lophodytes cucullatus) male in courtship display, Arizona

E.J. Peiker/ BIA / Hooded Merganser (Lophodytes cucullatus) male, Arizona

E.J. Peiker/ BIA / Hooded Merganser (Lophodytes cucullatus) male in courtship display, Arizona

E.J. Peiker/ BIA / Common Goldeneye (Bucephala clangula) male, Arizona

E.J. Peiker/ BIA / Dunlin (Calidris alpina) calling, Iceland

E.J. Peiker/ BIA / Black Guillemot (Cepphus grylle), Iceland

E.J. Peiker/ BIA / Black Guillemot (Cepphus grylle) with fish prey, Iceland

E.J. Peiker/ BIA / Black Guillemot (Cepphus grylle), Iceland

E.J. Peiker/ BIA / Atlantic Puffin (Fratercula arctica), Iceland

E.J. Peiker/ BIA / Atlantic Puffin (Fratercula arctica) on cliff, Iceland

E.J. Peiker/ BIA / Atlantic Puffin (Fratercula arctica) on cliff, Iceland

E.J. Peiker/ BIA / Atlantic Puffin (Fratercula arctica) on cliff, Iceland

E.J. Peiker/ BIA / Atlantic Puffin (Fratercula arctica) on cliff, Iceland

E.J. Peiker/ BIA / Atlantic Puffin (Fratercula arctica) on cliff, Iceland

E.J. Peiker/ BIA / Atlantic Puffin (Fratercula arctica) on cliff, Iceland

E.J. Peiker/ BIA / Atlantic Puffin (Fratercula arctica) on cliff, Iceland

E.J. Peiker/ BIA / Tourmaline Sunangel (Heliangelus exortis) hummingbird feeding on flower nectar, Ecuador

E.J. Peiker/ BIA / Buff-tailed Coronet (Boissonneaua flavescens) hummingbird feeding on flower nectar, Ecuador

E.J. Peiker/ BIA / Booted Racket-tail (Ocreatus underwoodii) hummingbird feeding on flower nectar, Ecuador

E.J. Peiker/ BIA / Coppery-headed Emerald (Elvira cupreiceps) hummingbird feeding on flower nectar, Costa Rica

E.J. Peiker/ BIA / Red-crested Cardinal (Paroaria coronata), Hawaii

E.J. Peiker/ BIA / Lilac-crowned Parrot (Amazona finschi), Arizona