Pale-tipped Inezia
Inezia caudata
The pale-tipped inezia is about 12 cm (4.7 in) long and weighs 7.5 to 10 g (0.26 to 0.35 oz). The sexes have the same plumage. Adults of the nominate subspecies have an olive-brown to grayish brown crown with a grayer forecrown and lower edge. Their face is mostly grayish with a white supercilium and broken white eye-ring that together look like spectacles. A dusky line passes through the eye. Their back and rump are olive-brown to grayish brown. Voice: The pale-tipped inezia is "often quite vocal". Its song during the day is "a rather loud TEEP! tedede, or Teep, tee'r'r...or longer, descending TEEP! tee-de-dear". Its dawn song is similar "but faster and repeated over and over". Members of a pair often sing in duet. The species' calls include "an abbreviated pit note pew or chew notes". The last two may be single or repeated up to about 15 times.
ID text from Wikipedia, CC BY-SA 4.0
Slender-billed Inezia
Inezia tenuirostris
The slender-billed inezia is 9 to 9.5 cm (3.5 to 3.7 in) long and weighs 5 to 6 g (0.18 to 0.21 oz). The sexes have the same plumage. Adults have a grayish olive crown. Their face is mostly whitish with a thin white supercilium and a thin white eye-ring. Their back and rump are grayish olive. Their wings are dusky with dull white edges on the inner flight feathers and tips of the wing coverts; the latter show as two wing bars. Their tail is dusky olive with thin white outer edges and tips on the feathers. Voice: The slender-billed inezia's song is "a flat, insipid trill, tleeeeeeee'e'e'e'e'e'e'e'e, thin and slightly descending or attenuated at end". It also makes a "whistled 'teer-'téér-teer-terr-teer' ".
ID text from Wikipedia, CC BY-SA 4.0
Where you might meet both
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Play today's Daily BirdPhotos and recordings are credited to their authors under the licence shown. Full profiles: Pale-tipped Inezia and Slender-billed Inezia.