BirdUp · Species
Weebill
Smicrornis brevirostris(Gould, 1838)
- Order
- PASSERIFORMES
- Family
- Acanthizidae
- Genus
- Smicrornis
- Conservation
- LC
- Commonness
- Endemic
- Best seen
- Year-round
01 · Identification
How to tell it apart
Australia’s smallest bird, the Weebill is a tiny, energetic canopy-dweller measuring only 8 to 9 centimetres. It is best identified by its remarkably short, stubby, pale-grey bill, which gives it a distinct blunt-faced profile. Adults possess pale-yellow eyes and a faint cream eyebrow. Plumage varies geographically: southern and eastern birds are olive-grey above with buff-yellow underparts, while northern and inland populations are significantly brighter and more yellow throughout. The brownish tail features a conspicuous black subterminal band and white tips, often visible from below as the bird flits about. Juveniles are similar but have darker eyes and a yellower bill base. Its voice is surprisingly loud and far-carrying for its size, often revealing its presence long before it is spotted. The song is a jaunty, musical, high-pitched "wee-willy-weet-it" or a sharp, repetitive "wee-bit." Highly active and acrobatic, the Weebill spends its day busily gleaning insects and sugary lerps from the outer foliage of the canopy, frequently hovering at the tips of branches to reach prey. It is social, usually found in pairs or small groups, and regularly joins mixed-species feeding flocks with thornbills and pardalotes. Found across most of mainland Australia but absent from Tasmania, it inhabits a wide range of wooded environments, preferring dry eucalypt forests, woodlands, mallee, and acacia scrub. In arid regions, it is often restricted to trees lining watercourses. The Weebill is reliably distinguished from thornbills by its much shorter, thicker, paler bill and pale eyes; most thornbills have longer, finer, darker bills and dark or reddish eyes. It is smaller and more compact than Gerygones, which possess longer, slender bills and different, more fluid warbling songs.
Description · BirdUp · CC BY-SA 4.0
- 01
Very short, stubby, pale bill
Noticeably short and thick-based, giving the head a blunt profile.
- 02
Pale cream or light yellow iris
The pale eye is a strong diagnostic mark, contrasting with the dark eyes of many small passerines.
- 03
Dark tail bar with white spots
Visible on tips of outer tail feathers, especially when fanned or in flight.
- 04
Tiny, compact body shape
Its diminutive and rounded form is often a primary identification clue in the field.
02 · Where
Where to find it
- Breeding range
- Australia (except Tasmania)
03 · When
When to look
Months this species is recorded across its Australian range.
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
05 · Behaviour
Habits and haunts
06 · Gallery
Plumage up close
6 photos
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