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mute swan

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earlofwales
864008.  Sat Nov 12, 2011 1:22 pm Reply with quote

Just seen on QI that the mute swan is the worlds heaviest flying bird. however no site i visited confirms this , instead claiming that certain bustards are by far the heaviest. anybody know which is right?

 
Gooische Vrijgezel
864011.  Sat Nov 12, 2011 1:55 pm Reply with quote

The heaviest mute swan, a single bird, may have been the heaviest bird. Were it swans, or was it a swan? At least your subject line isn't "mute swans"...

 
annebn
864012.  Sat Nov 12, 2011 1:56 pm Reply with quote

According to wikipedia and apparently "The Guinness Book of Animal Facts and Feats" (which I don't have to check) the Mute swan seems to be correct, with a particularly heavy one weighing 23 kg. Although a more normal weight is 15-16 kg.

According to this page http://www.flickr.com/photos/10429032@N08/1422967537/ it is the Kori Bustard, but the heaviest individuals reported are unconfirmed.

The average weights for (the males of) the two species are reported as 12 kg for the Swan and about 13.5 kg for the Bustard, so it is a close call.

Speaking of the mute swan, it is also the national bird of Denmark.

 
Zebra57
864078.  Sat Nov 12, 2011 7:36 pm Reply with quote

Following annebn's post: the male Kori Bustard of Africa would appear to average a weight of 11 -16kg tipping the scales in excess of the Mute Swan. Unconfirmed reports of bustards 23kg up to 33kg+ have been received. It is incorrect to state, as QI did that the Mute Swan is heaviest, as the Kori Bustard seems to have won the race by a short beak.

Link to desciption of the heaviest bird ever to take flight
http://notexactlyrocketscience.wordpress.com/2007/07/08/argentavis-the-largest-flying-bird-was-a-master-glider/

 
Gooische Vrijgezel
864089.  Sat Nov 12, 2011 8:50 pm Reply with quote

Zebra57 wrote:
It is incorrect to state, as QI did that the Mute Swan is heaviest


Yes, assuming the other numbers are correct that is. If I'm right mr. Fry said swanS (plural, in general), i.e. the mute swan instead of a record breaking swan.

 
eggshaped
864346.  Mon Nov 14, 2011 5:14 am Reply with quote

Our source was the Encyclopedia Britannica which says:

Quote:
[The trumpeter swan] is the largest swan—about 1.7 metres (5.5 feet) long, with a 3-metre (10-foot) wingspan—but it weighs less than the mute swan, which at 23 kg (50 pounds) is the heaviest flying bird.


EBR

 

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