Belding's Yellowthroat

Belding's yellowthroat is about 14 cm (5.5 in) long. It weighs an average of 14 to 15 g (0.49 to 0.53 oz). The species is sexually dimorphic. Adult males of the nominate subspecies have a large black mask from the forehead past the eye to the side of the neck. It is bordered top and back with a yellow band. They have an olive crown and the rest of their head is yellow. Their upperparts are olive. Their wing and tail feathers have dusky inner webs and bright olive-yellow edges. Their chin, throat, and underparts are bright yellow with an olive wash on the flanks. Voice: The song of Belding's yellowthroat is written as "wi te-wich-uh". It is described as similar to the common yellowthroat's "but fuller, deeper and more powerful, sometimes with buzzy notes admixed, and phrasing slightly different". Its usual call is "a dry djip" that like the song is fuller and deeper than the common yellowthroat's.