Streak-fronted Thornbird

The streak-fronted thornbird is 16 to 17 cm (6.3 to 6.7 in) long and weighs about 23 to 29 g (0.81 to 1.0 oz). It is a rather small and slim thornbird. The sexes have the same plumage. Adults of the nominate subspecies have an indistinct gray-buff supercilium, blackish lores with some gray-buff, and a dark brown stripe behind the eye on an otherwise rufous-washed brownish face. Their forehead ("front") is a mix of blackish and reddish with brown streaks. Their crown is paler, browner, and unstreaked. Their upperparts are mostly rich dark brown with a slightly paler rump. Voice: The streak-fronted thornbird's song is "wip wip weep weep WEEEP weep weep weep wip wip, rising and falling in volume and pitch", and further described as "piercing, loud, and almost hysterical". Its calls are "an irregular series of squeaky 'jit' or 'tsip' notes also a loud trill".