Pete Oxford / Anaconda sunbathing {Eunectes murinus} Cerrado habitat, Piaui state, Brazil

Pete Oxford / Brown Capuchin (Cebus apella) pair using rock and anvil to crack open Piassava Palm (Attalea funifera) nuts, Cerrado habitat, Piaui State, Brazil

Pete Oxford / Brown Capuchin (Cebus apella) using a rock to crack open a Piassava Palm (Attalea funifera) nut, Cerrado habitat, Piaui State, Brazil

Pete Oxford / Brown Capuchin (Cebus apella) using a rock to crack open a Piassava Palm (Attalea funifera) nut, Cerrado habitat, Piaui State, Brazil

Pete Oxford / Blue-fronted Parrot (Amazona aestiva) perched in tree, Piaui State, northeast Brazil

Pete Oxford / Threatened Cerrado habitat - red sandstone cliffs, Piaui State, NE Brazil, South America - habitat for endangered Hyacinth macaw

Pete Oxford / Blue and yellow macaw {Ara ararauna} Cerrado habitat, Piaui State, Brazil

Sean Crane / Silver-beaked Tanager (Ramphocelus carbo) male, Piaui State, Brazil

Sean Crane / White Woodpecker (Melanerpes candidus), Piaui State, Brazil

Sean Crane / Common Marmoset (Callithrix jacchus) climbing down a tree, Piaui State, Brazil

Sean Crane / Brown Capuchin (Cebus apella) peeking from behind a tree, Piaui State, Brazil

Sean Crane / Brown Capuchin (Cebus apella), Piaui State, Brazil