Cara mengidentifikasi Straw-headed Bulbul

Untuk mengidentifikasi Straw-headed Bulbul (Pycnonotus zeylanicus) dengan benar, periksa setiap fitur ini. Burung bisa sulit dikenali, karena perilaku, habitat, dan panggilan sering mengonfirmasi apa yang tidak bisa dilakukan satu foto.

Ukuran sekilas

Panjang

28-29 cm

Bentang sayap

Approximately 35-40 cm

Berat

70-100 g

Ciri fisik untuk diperiksa

1. 1

   Bulu

   Warna dan pola bulu keseluruhan.

   Adults have a distinctive straw-yellow crown and nape, extending to the ear-coverts. The back and wings are olive-brown, with a greenish tinge. The underparts are whitish, streaked with dark brown on the breast and flanks, giving a 'scaly' appearance. The throat is white, contrasting with the yellow head. The tail is olive-brown with a broad, dark subterminal band and pale tips.

2. 2

   Bentuk paruh

   Bentuk dan warna paruh, tanda lapangan kunci.

   Relatively stout, slightly decurved bill, dark horn-colored to black.

3. 3

   Warna mata

   Warna iris dan tanda khas di sekitar mata.

   Dark brown.

4. 4

   Warna kaki

   Warna kaki dan jari.

   Dark grey to blackish.

5. 5

   Ciri pembeda

   Ciri menonjol yang membedakan spesies ini.

   The most striking feature is the bright straw-yellow crown and nape. The heavily streaked breast and flanks are also characteristic. Its large size for a bulbul is also notable.

6. 6

   Penampilan muda

   Bagaimana yang muda berbeda dari yang dewasa.

   Juveniles resemble adults but have duller plumage, with a less intense yellow on the head and less distinct streaking on the underparts. The overall coloration is more muted.

7. 7

   Perubahan musiman

   Variasi bulu antara musim kawin dan tidak kawin.

   No significant seasonal plumage changes are observed.

8. 8

   Dimorfisme seksual

   Perbedaan antara jantan dan betina.

   Males and females are generally monomorphic in plumage, making visual sexing difficult. Males may be slightly larger and have a more robust head, but this is not a reliable field mark.

Tanda lapangan kunci

• Head Coloration. Look for the unmistakable bright straw-yellow crown, nape, and ear-coverts. This is the most diagnostic field mark.
• Underparts. Observe the whitish underparts with heavy dark brown streaking on the breast and flanks, creating a 'scaly' effect.
• Size. Note its relatively large size for a bulbul (28-29 cm), larger than most other bulbuls in its range.
• Vocalization. Listen for its loud, rich, and melodious song, which is highly distinctive and often heard before the bird is seen.
• Habitat. Search in dense vegetation near water bodies in lowland forests, especially riparian zones and swamp forests.

Jelajahi Straw-headed Bulbul