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   COLOUR RINGED Black-faced Spoonbill 黑臉琵鷺
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   Author  Topic: COLOUR RINGED Black-faced Spoonbill 黑臉琵鷺  (Read 760 times)
cfchung
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COLOUR RINGED Black-faced Spoonbill 黑臉琵鷺
« on: Nov 16th, 2003, 10:28pm »
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16-Nov-2003 38nos. of BFS are saw at Nam San Wai. 5 of them have colour rings  
« Last Edit: Jun 25th, 2004, 11:09am by BBS Moderators » Logged
cfchung
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Re: COLOUR RINGED BFS
« Reply #1 on: Nov 16th, 2003, 11:01pm »
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on Nov 16th, 2003, 10:28pm, cfchung wrote:
16-Nov-2003 38nos. of BFS are saw at Nam San Wai. 5 of them have colour rings  





« Last Edit: Nov 16th, 2003, 11:21pm by Webmaster » Logged
鳥友A(BWA)
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Re: COLOUR RINGED BFS
« Reply #2 on: Nov 17th, 2003, 3:33am »
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Mr/Ms A21 is an old friend. It carries a radio backpack too:
 
http://www.hkbws.org.hk/cgi-bin/yabb/YaBB.pl?board=Spoonbill;action=disp lay;num=1038754161
 
Tung,
 
Could you tell us where does A35? come from, and what is the bulky device mounted on its left leg?
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John Allcock
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Re: COLOUR RINGED BFS
« Reply #3 on: Nov 17th, 2003, 11:21am »
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A35 and A34 (both shown in this series of excellent photos) were both trapped in Hong Kong last winter as part of a radio-tracking exercise of Black-faced Spoonbills.  Also present this winter is A37, which is another of the birds tracked last year.
 
The device you can see on the left leg is the radio-transmitter.  This weighs only 16g, and the birds soon adapt to the presence of the tag; it has obviously not been a problem for migration, as the birds involved must have migrated to the breeding grounds and returned.
 
The tags are attached by a leather strap, which is designed to decay over time so that the tags fall off. Another of the birds which was tagged (ring number A36) has been seen in Macau this winter - there is another posting on the Bulletin Board which shows this bird. The tag has already fallen off, which shows that these tags should hopefully not stay as long as the backpack-style tag which can still be seen on A21.
 
Sightings of colour-ringed spoonbills such as these are useful for building up a picture of their behaviour over successive winters.  It would be very useful if any sightings could be reported to Yu Yat-Tung or posted on the bulletin board
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John Allcock
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Re: COLOUR RINGED BFS
« Reply #4 on: Nov 17th, 2003, 11:44am »
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Further to my previous message, you may also be interested to know that A35 was also observed at Chongming Island near Shanghai on 2nd April 2003. This site is 1300km from Hong Kong.
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鳥友A(BWA)
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Re: COLOUR RINGED BFS
« Reply #5 on: Nov 17th, 2003, 4:00pm »
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Thanks for the update!  It is always interesting to find out how these regular visitors fare outside Hong Kong.
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cfchung
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Re: COLOUR RINGED BFS
« Reply #6 on: Nov 17th, 2003, 10:54pm »
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on Nov 17th, 2003, 3:33am, 鳥友A(BWA) wrote:
Mr/Ms A21 is an old friend. It carries a radio backpack too:
 
http://www.hkbws.org.hk/cgi-bin/yabb/YaBB.pl?board=Spoonbill;action=disp lay;num=1038754161
 
Tung,
 
Could you tell us where does A35? come from, and what is the bulky device mounted on its left leg?

 
where is this BFS come from?
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