Not sure the answer to your question, Laurie, but I do know that most of the
Albatrosses and Petrels that regularly follow us back in from pelagics put
little effort into their flight which generally overtakes us effortlessly. :)
John Tongue
Devonport, Tasmania
> On 20 Jan 2017, at 10:13 PM, Laurie Knight <> wrote:
>
> The Spirit of Tasmania averages 27 knots (or around 50 km/hr) on its Bass
> Strait crossings. This is a fair bit faster than the tubs that take birders
> out on pelagic trips. While travelling on the ferry last month, I was
> fascinated to see how effortlessly the seabirds (albatross, shearwaters,
> prions) kept up with the ship.
>
> That got me thinking about just how fast seabirds can fly. What are the
> pelagic equivalents of swifts, how fast can they fly, and how far can they
> fly at that speed?
>
> Regards, Laurie.
>
> [Note, there are no references to unladen African or European Swallows in the
> above query].
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