Ecuadorian Piedtail

The Ecuadorian piedtail is 7.3 to 7.6 cm (2.9 to 3.0 in) long and weighs 2.2 to 3.7 g (0.078 to 0.13 oz). The adult male and female are alike. They have a short, straight, black bill with a yellowish base. Their crown is greenish brown and the rest of the upperparts grass green. They have a white spot behind the eye. The throat and breast are white with green spots with a white band separating them. The belly is whitish. The innermost pair of tail feathers are blue-green; the others are blue with white bases and broad white tips. Voice: The Ecuadorian piedtail's song is "a series of typically three high-pitched buzzy notes...followed by several twittering notes 'tzeeeee...tzeee.tzew..tititititi', continuously repeated." Its calls include "a descending series of 3–4 high-pitched 'see' notes..., a repeated 'tsik' note and high-pitched twittering."