How to identify the Pin-tailed Whydah

To correctly identify the Pin-tailed Whydah (Vidua macroura), 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

Male breeding: 28-34 cm (including tail); Female/Non-breeding male: 12-13 cm

Wingspan

Approximately 15-18 cm

Weight

13-19 g

Physical features to check

1. 1

   Plumage

   Overall feather coloration and pattern.

   Breeding male: Glossy black upperparts, white underparts, white collar, and a very long, tapering black tail (up to 20 cm). Non-breeding male and female: Streaky brown upperparts, buffy-white underparts, with a distinctive black and white striped head pattern. Rump is buffy-brown. Juvenile: Similar to female but duller, with less distinct head markings.

2. 2

   Beak shape

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

   Conical and stout, adapted for seed eating. Breeding male: Bright red. Female and non-breeding male: Pinkish-red to orange-red.

3. 3

   Eye color

   Iris color and any distinctive eye markings.

   Dark brown.

4. 4

   Leg color

   Leg and foot color.

   Pinkish-grey to reddish-grey.

5. 5

   Distinguishing features

   Standout features that separate this species.

   The extremely long, thin tail of the breeding male is unmistakable. The distinctive head pattern of the female and non-breeding male (black crown stripe, white supercilium, black eye-stripe, white cheek) is a key field mark.

6. 6

   Juvenile appearance

   How young birds differ from adults.

   Juveniles resemble adult females but are generally duller, with less defined streaking and head patterns. Their bill is typically duller, often brownish or dusky.

7. 7

   Seasonal changes

   Plumage variation between breeding and non-breeding seasons.

   Males undergo a complete molt from non-breeding (eclipse) plumage to breeding plumage, growing their long tail feathers, and changing bill color to bright red. This transformation occurs prior to the breeding season. After breeding, they molt back to eclipse plumage, losing the long tail feathers.

8. 8

   Sexual dimorphism

   How males and females differ.

   Pronounced. Breeding males are dramatically different from females and non-breeding males due to their elongated tail feathers and striking black and white plumage. Females and non-breeding males are cryptically colored and look very similar.

Key field marks

• Breeding Male Tail. Look for the exceptionally long, thin, tapering black tail, which can be twice the length of its body. This is the most definitive field mark.
• Breeding Male Plumage. Observe the stark contrast of glossy black upperparts, white underparts, and a distinct white collar. The bright red bill is also very noticeable.
• Female/Non-breeding Male Head Pattern. Focus on the head: a black crown stripe, a prominent white supercilium (eyebrow stripe), a black stripe through the eye, and a white cheek patch. This 'striped head' pattern is key for identifying non-breeding birds.
• Bill Color. Note the bill color: bright red in breeding males, pinkish-red to orange-red in females and non-breeding males.
• Flight Pattern. Watch for the bouncy, undulating flight of the breeding male, often accompanied by aerial displays.
• Vocalizations. Listen for the chattering, buzzy song of the male, often incorporating mimicry of host species. The 'chip-chip' call is also characteristic.

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