How to identify the Grey-green Fruit Dove

To correctly identify the Grey-green Fruit Dove (Ptilinopus purpuratus), 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

20-24 cm

Wingspan

Approximately 35-40 cm

Weight

80-100 g

Physical features to check

1. 1

   Plumage

   Overall feather coloration and pattern.

   Adult males have a predominantly grey-green body plumage. The crown is a striking deep purplish-red, bordered by a narrow yellow band. The throat and upper breast are grey, transitioning to green on the belly. The undertail coverts are bright yellow. The wings are green with yellowish edges to the flight feathers. Adult females are similar but typically have a duller purplish-red crown, sometimes with less distinct yellow bordering, and generally less vibrant overall coloration. Some females may lack the yellow undertail coverts or have them less intensely colored.

2. 2

   Beak shape

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

   Small, slender, and slightly hooked at the tip, typically greenish-yellow to yellowish-orange.

3. 3

   Eye color

   Iris color and any distinctive eye markings.

   Dark brown, often surrounded by a narrow, pale orbital ring.

4. 4

   Leg color

   Leg and foot color.

   Reddish-pink to purplish-red.

5. 5

   Distinguishing features

   Standout features that separate this species.

   The combination of the deep purplish-red crown, yellow band, and bright yellow undertail coverts against the grey-green body is highly distinctive. Its small size and typical fruit dove shape (compact body, short tail) are also key features.

6. 6

   Juvenile appearance

   How young birds differ from adults.

   Juveniles are duller overall, lacking the distinct purplish-red crown and yellow band. Their plumage is mostly green, often with some greyish wash, and the undertail coverts are a duller yellow or greenish-yellow. The purplish-red crown develops gradually with maturity.

7. 7

   Seasonal changes

   Plumage variation between breeding and non-breeding seasons.

   No significant seasonal plumage changes are reported for this species. Plumage remains consistent year-round, with variations primarily due to age and sex.

8. 8

   Sexual dimorphism

   How males and females differ.

   Males are generally more brightly colored with a more intense purplish-red crown and more prominent yellow markings. Females are duller, with a less vivid crown and sometimes reduced yellow on the undertail coverts. This dimorphism can be subtle and requires good views for confident identification.

Key field marks

• Crown Color. Look for the distinctive deep purplish-red crown, often bordered by a narrow yellow band, which is unique among fruit doves in its range.
• Undertail Coverts. Observe the bright yellow undertail coverts, a key field mark that contrasts with the grey-green body.
• Overall Plumage. Note the predominantly grey-green body plumage, which provides excellent camouflage in the forest canopy.
• Size and Shape. Its small, compact body and short tail are typical of fruit doves. Look for a relatively small dove moving deliberately in the upper canopy.
• Vocalization. Listen for its soft, mournful, descending cooing calls, which are often ventriloquial and can help pinpoint its location even when hidden by foliage.

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