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Sulphur-bellied Tyrannulet

Mecocerculus minor

Least Concern · IUCN Red List

LCLeast ConcernInvertebratesForestTiny · 11 g
Sulphur-bellied Tyrannulet (Mecocerculus minor), photo 1
Photo: Tommy Andriollo · CC BY 4.0
Sulphur-bellied Tyrannulet (Mecocerculus minor), photo 2
Photo: Tommy Andriollo · CC BY 4.0
Sulphur-bellied Tyrannulet (Mecocerculus minor), photo 3
Photo: Christoph Moning · CC BY 4.0
Sulphur-bellied Tyrannulet (Mecocerculus minor), photo 4
Photo: Christoph Moning · CC BY 4.0
Sulphur-bellied Tyrannulet (Mecocerculus minor), photo 5
Photo: Tommy Andriollo · CC BY 4.0
Sulphur-bellied Tyrannulet (Mecocerculus minor), photo 6
Photo: Christoph Moning · CC BY 4.0
Sulphur-bellied Tyrannulet (Mecocerculus minor), photo 7
Photo: (c) Christoph Moning, some rights reserved (CC BY) · CC-BY
Sulphur-bellied Tyrannulet (Mecocerculus minor), photo 8
Photo: (c) Tommy Andriollo, some rights reserved (CC BY) · CC-BY

What the Sulphur-bellied Tyrannulet sounds like

Sonogram of the Sulphur-bellied Tyrannulet: time runs left to right, pitch bottom to top, and the brighter the mark the louder the sound.
Recorded by Niels Krabbe · Call · Zamora-Chinchipe: Quebrada Honda, Ecuador · CC BY-SA 4.0 · via xeno-canto
Sonogram of the Sulphur-bellied Tyrannulet: time runs left to right, pitch bottom to top, and the brighter the mark the louder the sound.
Recorded by Niels Krabbe · Call · Zamora-Chinchipe: Reserva Tapichalaca, near Q. Cristopher Parson, Ecuador · CC BY-SA 4.0 · via xeno-canto
Sonogram of the Sulphur-bellied Tyrannulet: time runs left to right, pitch bottom to top, and the brighter the mark the louder the sound.
Recorded by Niels Krabbe · Dawn song · Zamora-Chinchipe: Reserva Tapichalaca, near Q. Cristopher Parson, Ecuador · CC BY-SA 4.0 · via xeno-canto

ID tip

The sulphur-bellied tyrannulet is 11 to 12 cm (4.3 to 4.7 in) long and weighs about 11 g (0.39 oz). The sexes have the same plumage. Adults have a medium gray crown. They have a thin white supercilium and a blackish stripe through the eye on an otherwise grayish white face. Their upperparts are dark olive. Their wings are dark dusky with wide buff edges on the flight feathers. Their wing coverts have wide buffy tips that show as two bars on the closed wing. Their tail is dusky olive with buffy-tinged edges on the feathers. Voice: The sulphur-breasted tyrannulet's calls include "a sharp and fast 'chew-chew-chew' " that sometimes continues with more notes and "a squeakier, more nasal 'skwi-skwe-skwu-skwu' ".

Text from Wikipedia, licensed CC BY-SA 4.0.

When to see the Sulphur-bellied Tyrannulet

One bar for each month. Filled bars are the 11 months with records; pale bars are months with none. The wide bar is November, the month with the most records.

Where to see the Sulphur-bellied Tyrannulet

Regular range

The map shades 3 countries with regular records. Everything unshaded has no records. Countries are listed below the map.

Ecuador Peru Colombia

About the Sulphur-bellied Tyrannulet

The sulphur-bellied tyrannulet is a species of bird in subfamily Elaeniinae of family Tyrannidae, the tyrant flycatchers. It is found in Colombia, Ecuador, Peru, and Venezuela.

Text adapted from Wikipedia, licensed CC BY-SA 4.0.

Easily confused with

Rufous-winged Tyrannulet (Mecocerculus calopterus) Rufous-winged TyrannuletMecocerculus calopterusThe rufous-winged tyrannulet is about 11 cm (4.3 in) long and weighs 10 to 11 g (0.35 to 0.39 oz). Buff-banded Tyrannulet (Mecocerculus hellmayri) Buff-banded TyrannuletMecocerculus hellmayriThe buff-banded tyrannulet is about 11 cm (4.3 in) long and weighs 10 to 11 g (0.35 to 0.39 oz). White-tailed Tyrannulet (Mecocerculus poecilocercus) White-tailed TyrannuletMecocerculus poecilocercusThe white-tailed tyrannulet is about 11 cm (4.3 in) long and weighs 10 to 11 g (0.35 to 0.39 oz).

Side by side: Sulphur-bellied Tyrannulet vs White-throated Tyrannulet · Sulphur-bellied Tyrannulet vs White-banded Tyrannulet · Sulphur-bellied Tyrannulet vs White-tailed Tyrannulet · Sulphur-bellied Tyrannulet vs White-bearded Flycatcher

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