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Forum locked This topic is locked, you cannot edit posts or make further replies.  [ 4 posts ] 
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 Post subject: Speedy Goldcrest
PostPosted: Sat Jan 02, 2016 11:24 pm 
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Lincs Bird Club Member
Lincs Bird Club Member

Joined: Wed Dec 29, 2004 6:44 pm
Posts: 1611
Location: Market Rasen
At 0930 on 12th October 2015 I took a Goldcrest out of a net at Donna Nook bearing a Danish ring. I've just found out that it was ringed the day before - unfortunately we don't know the exact time. Nevertheless a bird weighing 5.0 grams (exactly the same as one 20 pence piece!) travelled 574km in no more than 24 hours - incredible.


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 Post subject: Re: Speedy Goldcrest
PostPosted: Sun Jan 03, 2016 5:14 pm 
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Lincs Bird Club Member
Lincs Bird Club Member

Joined: Thu Dec 30, 2004 10:58 am
Posts: 1375
Location: Theddlethorpe
so average 15 to 16 mph and if a following wind pretty normal isn,t it Stuart ?
if they took much longer wouldn,t they run out of energy and ditch .

regards John


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 Post subject: Re: Speedy Goldcrest
PostPosted: Sun Jan 03, 2016 5:53 pm 
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Lincs Bird Club Member
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Joined: Wed Dec 29, 2004 6:44 pm
Posts: 1611
Location: Market Rasen
John,
It's the first time we've experienced such a swift crossing and your speed estimate seems about right. I remember seeing exhausted Goldcrests literally flopping into the sea about a mile offshore whilst sea fishing. Their energy is the fat reserves they can store - the heaviest Goldcrest I've ever handled is 6.7g but birds that are obviously in off can be as light as 4.5g and potentially fatal.


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 Post subject: Re: Speedy Goldcrest
PostPosted: Wed Jan 06, 2016 12:00 pm 
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Lincs Bird Club Member
Lincs Bird Club Member

Joined: Thu Dec 30, 2004 10:58 am
Posts: 1375
Location: Theddlethorpe
I believe Birklands RG who spent 12 days on the Theddlethorpe site this autumn ringed a good number of GCs
and several were just above 4 gms , I cannot remember for sure but think they had a Danish ringed bird ?.
and I recall seeing dying crests on the strandline many years ago and also finding fresh corpses washed up
a sad sight.

regards and best wishes for 2016 Stuart, John.


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