Gilbert's Whistler

The adult male, which weighs 29.8-32.5 g, possesses a rufous-coloured chin and throat from its third year of life, as does its most likely closest relative, the red-lored whistler. Both males can easily be differentiated by the colour of their lores: black for the Gilbert's and red for the red-lored whistler. The female Gilbert's whistler (23.5-32.2 g) has a pale grey throat and a white ring around the eye; her underparts can be lightly streaked. Both sexes are uniformly brownish-grey, and have a red iris and a black stubby bill (17–18 mm). Juveniles (30. Voice: All whistlers are songsters, and Gilbert's whistler in particular, is more often heard than seen. Its loud, melodious and clear call can be heard at distances up to 900 m, mostly during the breeding season when it establishes a breeding territory.