How to identify the Brown-crowned Tchagra

To correctly identify the Brown-crowned Tchagra (Tchagra australis), 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

17-20 cm

Wingspan

25-28 cm

Weight

25-40 g

Physical features to check

1. 1

   Plumage

   Overall feather coloration and pattern.

   Adults have a distinctive brown crown, bordered by a narrow black lateral crown-stripe. A prominent black eye-stripe extends from the lores through the eye to the ear-coverts. The supercilium is white, and the cheeks are white. The upperparts are greyish-brown, contrasting with bright rufous primary and secondary coverts and flight feathers, which are particularly noticeable in flight. The tail is relatively long, dark brown to blackish, with white tips to the outer rectrices. Underparts are white, sometimes with a faint grey wash on the flanks. The throat is white.

2. 2

   Beak shape

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

   The bill is relatively stout and hooked at the tip, typical of shrikes, and is black.

3. 3

   Eye color

   Iris color and any distinctive eye markings.

   Dark brown.

4. 4

   Leg color

   Leg and foot color.

   Grey to bluish-grey.

5. 5

   Distinguishing features

   Standout features that separate this species.

   The combination of a brown crown, black eye-stripe, white supercilium, and rufous wings is diagnostic. The long, graduated tail with white tips is also a key feature.

6. 6

   Juvenile appearance

   How young birds differ from adults.

   Juveniles are duller overall, with a less distinct brown crown and eye-stripe. The rufous on the wings may be less vibrant, and the underparts may have a buffy wash. The bill may be paler at the 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 generally monomorphic in plumage. There might be slight size differences, with males sometimes marginally larger, but this is not reliably discernible in the field.

Key field marks

• Crown Color. Look for the distinct brown crown, which is a key identifier. Note the narrow black lateral crown-stripe bordering the brown.
• Facial Pattern. Observe the prominent black eye-stripe extending from the lores through the eye, contrasted by a clear white supercilium above it and white cheeks below.
• Wing Color. Identify the bright rufous primary and secondary coverts and flight feathers, which are very noticeable, especially when the bird flies or stretches its wings.
• Tail. Note the relatively long, dark tail with white tips on the outer feathers, often fanned slightly when landing or agitated.
• Vocalization. Listen for its characteristic melodious, ascending and descending whistle. This is often the first indication of its presence, as it can be quite secretive.
• Habitat. Look for it in dense thickets, tangled bushes, and low vegetation within savanna and woodland environments.

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