Mark W. Lockwood:
Argentine Black-and-white Tegu - Buenos Aries, Argentina
Mark W. Lockwood:
Rufous-bellied Thrush - Buenos Aries, Argentina
Mark W. Lockwood:
Limpkin - Buenos Aries, Argentina
Mark W. Lockwood:
Chamango Caracara - Isla Talavera, Argentina
Mark W. Lockwood:
Scarlet-headed Blackbird - Isla Talavera, Argentina
Mark W. Lockwood:
White-naped Xenopsaris - Ceibas, Argentina
Mark W. Lockwood:
White-fronted Woodpecker - Ceibas, Argentina
Mark W. Lockwood:
Yellow Cardinal - Ceibas, Argentina
Mark W. Lockwood:
Yellow Cardinal - Ceibas, Argentina
Mark W. Lockwood:
Plumbeous Ibis - Ceibas, Argentina
Mark W. Lockwood:
Masked Gnatcatcher - Ceibas, Argentina
Mark W. Lockwood:
Scissor-tailed Nightjar - Ceibas, Argentina
Mark W. Lockwood:
White-browed Meadowlark - Ceibas, Argentina
Mark W. Lockwood:
Whistling Heron - Ceibas, Argentina
Mark W. Lockwood:
White-tipped Plantcutter - Ceibas, Argentina
Mark W. Lockwood:
Yellow-bellied Liophis - Ceibas, Argentina
Mark W. Lockwood:
Scimitar-billed Woodcreeper - Ceibas, Argentina
Mark W. Lockwood:
Cattle Tyrant - Ceibas, Argentina
Mark W. Lockwood:
Rufescent Tiger-Heron - Ceibas, Argentina
Mark W. Lockwood:
Chaco habitat near Ceibas
Mark W. Lockwood:
Gunther's Striped Snake - Ceibas, Argentina
Mark W. Lockwood:
Sooty Tyrannulet - Ceibas, Argentina
Mark W. Lockwood:
Spot-flanked Gallinule - Ceibas, Argentina
Mark W. Lockwood:
Maguari Stork - Ceibas, Argentina
Mark W. Lockwood:
Brazilian Guinea Pig - Gualeguaychú, Argentina
Mark W. Lockwood:
Ringed Teal - Gualeguaychú, Argentina
Mark W. Lockwood:
Great Pampa Finch - Gualeguaychú, Argentina
Mark W. Lockwood:
White Monjita - Gualeguaychú, Argentina
Mark W. Lockwood:
Freckle-breasted Thornbird - Gualeguaychú, Argentina
Mark W. Lockwood:
Glaucous-blue Grosbeak - Perdices, Argentina
