Tropical Pewee (Contopus cinereus) - This little guy sat on a wire in La Fortuna (Costa Rica) and called a whole morning away, occasionally sallying forth to catch an insect on the wing.
Western Wood-Pewees (Contopus sordidulus) are common in the river and stream galleries of central Ariona. In the spring they are easy to distinguish from other Pewees and Empids by their burry call.