Ecuadorian Tyrannulet

The Ecuadorian tyrannulet is about 11.5 cm (4.5 in) long; one male weighed 8 g (0.28 oz). The sexes have the same plumage. Adults have an indistinct whitish supercilium and eye-ring. Their face is otherwise mostly pale yellow to whitish with an indistinct blackish line around the ear coverts. Their crown is gray and the rest of their upperparts are olive. Their wings are dusky with pale yellow edges and tips on the flight feathers. Their wing coverts are dusky with whitish to pale yellow tips that form two wing bars. Their tail is olive. Voice: The Ecuadorian tyrannulet's day song is "a spitting, almost rattled trill, sp-i-i-i-i-i-i, that at first descends, then ascends, then descends again" and has also been written as "dzEEeerrrrEEerrrrr". Its calls include "a thin feeee" and "high teep and ptip notes".