According to Frank S. Todd's 10,001 Titillating Tidbits of Avian Trivia,
a migrating flock of Bar-headed Geese was observed at 30,758 ft (9,375
m) over Mt Everest. And they were honking!
> Hello BIRDLOVERS... Lorne here...
> On 2JJJ radio this morning, in Sydney, Mikey Robbins, Paul McDermott
> the Sandman were wondering what birds of the world flew the highest. I
> was thinking Alpine Choughs and Lammergeiers... a guy rang the radio
> station, with Guiness book in hand, and said these two were the two
> highest fliers...But what else qualifies??? Wallcreepers, rooks,
> ravens, vultures...???
> I'd be interested in reading other responses.
> Out of Curiosity,
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