Its distribution includes eastern Canada south to Florida, extending west to the Great Lakes region.
Altogether, Rhynchostruthus seems to belong to a group of Carduelinae which includes such birds as Carduelis, the Oriole Finch (Linurgus olivaceus), and the canaries, many of which have large amounts of brilliant yellow plumage.
The Gray's monitor (Varanus olivaceus) is a large (180 cm, >9 kg) monitor lizard known only from lowland dipterocarp forest in southern Luzon, Catanduanes, and Polillo Island, all islands in the Philippines.
The Ground Woodpecker (Geocolaptes olivaceus) is one of only three ground-dwelling woodpeckers in the world (the others are the Andean and Campo Flickers).
The Taita Thrush was previously classified as subspecies of the Olive Thrush (Turdus olivaceus), but it is regarded as distinct species since 1985.