Pearled Treerunner
Margarornis squamiger
The pearled treerunner is 15 to 16 cm (5.9 to 6.3 in) long and weighs 14 to 19 g (0.49 to 0.67 oz). The sexes have the same plumage. Adults of the nominate subspecies have a well-defined yellowish buff supercilium that extends to the nape, a dull reddish brown line behind the eye, dull yellowish buff and dark brown ear coverts, and a dark brown moustacial area with tiny whitish spots that become streaks to the rear. Their forehead is dark brownish with pale rufous streaks and their crown dark reddish brown. Their collar is dull rufescent brown with black-outlined yellowish buff streaks. Voice: The pearled treerunner is not highly vocal. Its song is "a rapid series of high-pitched, thin 'tick' notes,". Its calls are "a single high-pitched 'tick' or 'tsit' short trill, 'trrrt-trrrt' ".
ID text from Wikipedia, CC BY-SA 4.0
Ruddy Treerunner
Margarornis rubiginosus
The ruddy treerunner is 15 to 16 cm (5.9 to 6.3 in) long and weighs 17 to 24 g (0.60 to 0.85 oz). The sexes have the same plumage. Adults of the nominate subspecies have a buffy whitish supercilium and eyering on an otherwise dull rufescent brown face. Their crown is dull reddish brown and they have a narrow, paler reddish, collar. Their upperparts and wing coverts are reddish chestnut. Their flight feathers are dark fuscous with rufescent edges. Their tail is a slightly paler reddish chestnut than the back; the ends of the tail feathers lack barbs, giving a spiny appearance. Voice: The ruddy treerunner's call is "a thin, whistled tsit, usually in rapid, irregular series". It also makes "metallic chirping notes and a descending trill".
ID text from Wikipedia, CC BY-SA 4.0
Learn this pair in the BeakBrain App
Photo and call practice. Coming soon to iPhone and Android.
Play today's Daily BirdPhotos and recordings are credited to their authors under the licence shown. Full profiles: Pearled Treerunner and Ruddy Treerunner.