Ringed Antpipit
Corythopis torquatus
The ringed antpipit is 13.5 to 14 cm (5.3 to 5.5 in) long and weighs 15 to 18 g (0.53 to 0.63 oz). The sexes have the same plumage; males are larger than females. Adults of the nominate subspecies have a grayish brown crown, a faint whitish loral spot, and a faint whitish spot behind the eye on an otherwise pale grayish olive face. Their upperparts, wings, and tail are dark brownish olive. Their chin and throat are white. Their underparts are mostly white with an almost solid black "necklace" on the breast that gives the species its English name. Voice: The ringed antpipit has somewhat variable songs, which is unusual for a flycatcher. A typical pattern is "a rusty rising-falling (sometimes descending or quavering) whistle followed by a longer descending whistle: HEE'U-huEEU." The song can be preceded, followed, or interrupted by "short pit or rattle notes".
ID text from Wikipedia, CC BY-SA 4.0
Southern Antpipit
Corythopis delalandi
The southern antpipit is 13 to 14 cm (5.1 to 5.5 in) long and weighs 14 to 18 g (0.49 to 0.63 oz). The sexes have the same plumage. Adults have a grayish olive crown, a faint whitish loral spot, and a faint whitish spot behind the eye on an otherwise pale grayish olive face. Their upperparts, wings, and tail are olive. Their chin and throat are creamy white. Their underparts are mostly white with an almost solid black "necklace" on the breast from which black streaks extend along the flanks. The flanks also have a grayish olive wash. Juveniles resemble adults. Voice: The southern antpipit's song is a "very high, short, calm, sweet series 'weeh-rrwee-wurr-wiwi' ('rrr' very short, canary-like trills)".
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: Ringed Antpipit and Southern Antpipit.