The Gray-capped Flycatcher is one of the birds with yellow chest that can easily be mistaken by one another. Size and a gray cap (as the name implies) are the main identification marks, tough it can be difficult to recognize the gray cap if the bird is perched above eye level. They look very similar to the Social Flycatcher, although it is more streamlined and the gray head is diagnostic, along the song more similar to the Great Kiskadee’s. It also resembles both the Great Kiskadee and Boat-billed Flycatcher, but both of those species are bigger and stockier, featuring different songs as well. The Tropical Kingbird is also similar, given its gray head, but it is bigger and has grayish upperparts, while the Gray-capped’s upperparts are brownish.