chaco chachalaca, ortalis canicollis, bird with open bill, walking in the green grass, pantanal, brazil

animal aves avian beak big bill biology bird birdwatching brazil brown canicollis chachalaca chaco chordata closeup cracidae crested crown eco ecology ecuador environment erythroptera feather forest galliformes gamebird goofy grass green guacharaca jungle large nature open ornithology ortalis outdoors pantanal perched plain portrait species the thicket tree tropical vertebrate vetula walking weird wild wildlife with zoology