Cara mengidentifikasi Olive-backed Sunbird

Untuk mengidentifikasi Olive-backed Sunbird (Cinnyris jugularis) 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

10-12 cm

Bentang sayap

14-16 cm

Berat

6-11 g

Ciri fisik untuk diperiksa

1. 1

   Bulu

   Warna dan pola bulu keseluruhan.

   Males have a glossy, iridescent metallic blue-black throat and upper breast, contrasting with a bright yellow belly and olive-green back. Females lack the iridescent throat, having a duller olive-green head and upperparts, and a yellow belly. Both sexes have a slender, downcurved black bill and dark legs.

2. 2

   Bentuk paruh

   Bentuk dan warna paruh, tanda lapangan kunci.

   Long, slender, and strongly downcurved, adapted for probing into flowers for nectar. Color is 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 black

5. 5

   Ciri pembeda

   Ciri menonjol yang membedakan spesies ini.

   The iridescent blue-black throat patch of the male is the most distinctive feature. The bright yellow underparts are also characteristic. Females are distinguished by their plain olive-green upperparts and yellow underparts.

6. 6

   Penampilan muda

   Bagaimana yang muda berbeda dari yang dewasa.

   Juveniles resemble females but are generally duller, with a paler yellow belly and sometimes a faint streaking on the breast. Young males gradually acquire the iridescent throat patch.

7. 7

   Perubahan musiman

   Variasi bulu antara musim kawin dan tidak kawin.

   No significant seasonal plumage changes. Breeding and non-breeding plumages are similar.

8. 8

   Dimorfisme seksual

   Perbedaan antara jantan dan betina.

   Pronounced. Males are much more brightly colored with iridescent blue-black on the throat and upper breast. Females are duller, lacking the iridescent patch and having an olive-green head.

Tanda lapangan kunci

• Male Plumage. Look for the striking iridescent metallic blue-black throat and upper breast, contrasting sharply with the bright yellow belly and olive-green back. This is the most definitive field mark for males.
• Female Plumage. Identify females by their plain olive-green upperparts and bright yellow underparts, lacking any iridescent throat patch. They are generally duller than males but still have the characteristic sunbird shape and bill.
• Bill Shape. Observe the long, slender, and distinctly downcurved black bill, characteristic of nectar-feeding sunbirds.
• Behavior. Watch for active foraging, often hovering briefly in front of flowers or perching to probe for nectar. Their rapid, darting flight is also a good clue.
• Vocalizations. Listen for their high-pitched, rapid, and often jumbled song, or their sharp 'chip' calls.

Jelajahi Olive-backed Sunbird