two red fronted macaw parrots walking over a branch using their beaks, tropical and critically endangered birds from bolivia

america american animal animals ara aviary aviculture beak beaks bird birds bolivia bolivian branch colorful conservation couple critical critically endangered exotic fronted green lafresnayes list listed macaw macaws ornithology parrot parrots pet pets popular psittacidae red rubrogenys specie species status their threatened together tropical true two using vibrant walk walking zoo zoology