The Blue-gray Gnatcatcher

The Blue-gray Gnatcatcher (Polioptila caerulea) is a very small songbird. This gnatcatcher species measures 10–13 cm (3.9–5.1 in) and weighs only 5–7 g (0.18–0.25 oz).[2][3] Adult males are blue-grey on the upperparts with white underparts and have a long slender bill, long black tail and an angry black unibrow. Females are less blue without the unibrow. Both sexes have a white eye ring.-Wikipedia