• Welcome to BirdForum, the internet's largest birding community with thousands of members from all over the world. The forums are dedicated to wild birds, birding, binoculars and equipment and all that goes with it.

    Please register for an account to take part in the discussions in the forum, post your pictures in the gallery and more.
ZEISS DTI thermal imaging cameras. For more discoveries at night, and during the day.

BirdForum Opus

Looking for something? Search for it here.


Icon home.png
Welcome to the BirdForum Opus
The interactive birding encyclopaedia

Welcome to the Opus, an interactive, multimedia encyclopaedia that anyone can edit. You can use the Opus to find out about everything to do with birds - from the birds themselves to the places you can find them.

Featured Article: Ibisbill


Photo © by Yeshey Dorji
Babesa, western Bhutan, 26 November 2004

Identification

Adult

  • Grey-brown upperparts
  • White underparts
  • Long decurved brown to deep red beak (68-82 mm, 26.8-32.3 inches)
  • Female similar to male, but slightly larger with slightly longer beak


Juvenile

  • Browner with less well defined plumage pattern
  • Upperparts have pale fringes

Immature

  • Plumage almost inseparable from that of adult, except for darker red base of beak
  • A few brown feathers in upperparts and sometimes keeps a mainly white face for several months

Chicks

  • Greyish down with darker black and brown markings
  • Long brownish beak

Habitat

Breeds in gravelly mountain river valleys normally lacking any vegetation, from 500 to 4400 m. Recently discovered nesting at just 270 m near Beijing, China.

Is found at similar habitats in winter, but at lower altitudes, sometimes as low as 100 m.



Read Full Article.......

Icon book.png
Getting Started

If you're looking for a particular bird, place, or anything else related to the birding world, try searching for it using the search box at the top, or to the left, of this page. You can also get an overview of all the birds, bird song, locations or other wildlife by using the tabs above.

Icon stats.gif
Statistics
  • Articles: 13,029
  • Files: 23,843



Back
Top