How to identify the White-bellied Minivet

To correctly identify the White-bellied Minivet (Pericrocotus erythropygius), 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

14-15 cm

Wingspan

20-22 cm

Weight

10-14 g

Physical features to check

1. 1

   Plumage

   Overall feather coloration and pattern.

   Adult males have a glossy black head, back, and wings. The underparts are white, contrasting sharply with the black. A prominent orange-red rump and vent are key identification features. The wings show a white patch formed by the bases of the primary feathers. Adult females are similar but duller, with a greyish-black head and back, and a less intense orange-red on the rump. They also have a white supercilium (eyebrow stripe) which is absent in males.

2. 2

   Beak shape

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

   Small, slender, and pointed, typically black.

3. 3

   Eye color

   Iris color and any distinctive eye markings.

   Dark brown

4. 4

   Leg color

   Leg and foot color.

   Blackish-grey

5. 5

   Distinguishing features

   Standout features that separate this species.

   The combination of white underparts, black upperparts (greyish in female), and a bright orange-red rump and vent is unique among minivets in its range. The white wing patch is also a good field mark.

6. 6

   Juvenile appearance

   How young birds differ from adults.

   Juveniles resemble females but are duller overall, with a more mottled or streaked appearance on the upperparts and breast, and a paler, more yellowish-orange rump. The white supercilium is often present and more prominent.

7. 7

   Seasonal changes

   Plumage variation between breeding and non-breeding seasons.

   No significant seasonal plumage changes. Plumage remains consistent throughout the year.

8. 8

   Sexual dimorphism

   How males and females differ.

   Pronounced. Males are glossy black and white with a vivid orange-red rump. Females are duller, with greyish-black upperparts, a less intense orange-red rump, and a distinct white supercilium.

Key field marks

• Plumage Contrast. Look for the sharp contrast between the glossy black upperparts (male) or greyish-black upperparts (female) and the pure white underparts. This is a key distinguishing feature.
• Orange-red Rump and Vent. The bright orange-red rump and vent are unmistakable. This color is visible in flight and when the bird is perched, especially when it moves.
• White Wing Patch. Observe the wings for a distinct white patch, particularly noticeable in flight. This is formed by the white bases of the primary feathers.
• Female Supercilium. If identifying a female, look for the distinct white supercilium (eyebrow stripe) which is absent in males and helps differentiate it from other duller minivets.
• Behavior and Habitat. Its active, arboreal foraging behavior in dry, open woodlands and scrublands is characteristic. Listen for its high-pitched, squeaky calls.

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