红脚隼七周迁徙13750公里

转贴：红脚隼七周迁徙13750公里红脚隼，其中有一只已经飞到内蒙锡林浩特市以东，七星期里面飞了一万三千多公里，有时一天就飞了一千公里，途中有停息较久的栖息地。详情将在6月底在蒙古乌兰巴托举行的亚洲猛禽国际会议上发表。

fitted with tiny 5g transmitters in January in South Africa. The first bird

wonder if it will continue further north. It covered some 13.750 km in seven

stop-overs. The route differed from what was speculated in all the handbooks. This

Asian Raptors in Ulaanbaatar, Mongolia, 23-27 June 2010 (see abstract below,

Mogadishu.

Falcon migration. I am also looking for contacts with ornithologists who work

and China.

files: [url]www.raptor-research.de.[/url]

[url]www.raptor-research.de[/url]

Meyburg

raptor migrations, it is the Amur Falcon which is a complete

22,000-km annual round-trip. The principal breeding and wintering ranges are

leave their 3.8 million sqkm large northeastern Asian breeding range and

for overland flights over peninsular India. This species is believed to then

the Indian Ocean between southwestern India and tropical East Africa, a

this happens its migration is far and away the most oceanic of any bird of

November-December and depart by late February until early May. This species is an

largely overland and to the north and west of its southbound route. In autumn

strong monsoon tailwinds, which results in its late arrival in eastern

however  that there may be a regular overland passage for this species at a

Microwave Telemetry, Inc., BirdLife Northern Natal and the Migrating Kestrel Group

started a satellite tracking programm to study the almost unknown migration

species. At a 26.000-strong roost in Newcastle, South Africa, birds were trapped in

over a period of five days,  10 adult birds were selected according to age

transmitters (PTTs) manufactured by Microwave Telemetry, Inc. Tracking of the

movements in their southern non-breeding grounds within little time. Previously

expected were recorded. It is hoped that these tiny  PTTs will enable us to reveal

leg of travel in autumn presumably occurs only by day. The supposed several

and nighttime flight. The species' return migration is even less well

fly directly across, awaits to be recorded.

choicy 2010-5-10 06:40

[quote]原帖由 choicy 于 2010-5-10 06:40 发表 [url=http://www.chinabirdnet.org/BBS/redirect.php?goto=findpost&pid=9643&ptid=1692]

阿穆尔隼？

Red-footed Falcon : 西红脚隼