We've seen a pair of Wedgetails flying around the area, but this was a solitary example - he managed to climb a terrific amount in the thermals from a few hundred feet when NW of us to between 1,000 - 2,000 ft a kilometre to the south. As the Wikipedia link states:Their keen eyesight extends into the infrared and ultraviolet bands. This helps them spot prey and allows them to see rising thermals, which they can use to gain altitude while expending little energy.
One up on the glider pilots!
James
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