How to identify the Buzzing Flowerpecker

To correctly identify the Buzzing Flowerpecker (Dicaeum hypoleucum), check each of these features. Birds can be tricky: habit, habitat, and call often confirm a sighting that a single photo cannot.

Size at a glance

Length

8-9 cm

Wingspan

12-14 cm

Weight

6-8 g

Physical features to check

1. 1

   Plumage

   Overall feather coloration and pattern.

   Adults have olive-green upperparts, including the crown, nape, mantle, back, and rump. The wings and tail are dusky with olive-green edgings. Underparts are dull white to pale greyish-white, often with a faint yellowish wash on the flanks. The undertail-coverts are white. There are no prominent markings or streaks.

2. 2

   Beak shape

   Shape and color of the bill: a key field mark.

   Short, stout, and slightly decurved conical bill, typical of flowerpeckers. The bill is dark horn-colored to blackish.

3. 3

   Eye color

   Iris color and any distinctive eye markings.

   Dark brown

4. 4

   Leg color

   Leg and foot color.

   Dark grey to blackish

5. 5

   Distinguishing features

   Standout features that separate this species.

   Small size, plain olive-green upperparts, and whitish underparts. Lacks the bright red or yellow patches seen in many other flowerpecker species. The buzzing call is a key auditory identifier.

6. 6

   Juvenile appearance

   How young birds differ from adults.

   Juveniles resemble adults but may have slightly duller plumage, sometimes with a faint yellowish tinge on the underparts, and a slightly paler bill base.

7. 7

   Seasonal changes

   Plumage variation between breeding and non-breeding seasons.

   No significant seasonal plumage changes are observed.

8. 8

   Sexual dimorphism

   How males and females differ.

   Males and females are monomorphic in plumage, appearing identical.

Key field marks

• Size and Shape. Look for a very small, plump, short-tailed bird with a short, stout bill. Its overall silhouette is compact.
• Plumage Coloration. Observe the plain olive-green upperparts and dull whitish underparts. Note the absence of any bright patches or strong markings on the body.
• Vocalization. Listen for its characteristic high-pitched, sharp 'zit' or 'tsip' call, often repeated, which sounds distinctly 'buzzing'.
• Behavior. Watch for its active foraging behavior, flitting rapidly among branches in the canopy, often seen feeding on small berries or probing flowers.
• Habitat. Confirm its presence in lowland to montane forest and forest edge habitats within the Philippines.

Explore the Buzzing Flowerpecker