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text & most photos by Don Roberson
those attributed to other photographers
are
used with permission; all rights reserved. |
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Look for the Sooty's long-billed profile compared with the next species, and the striking 'silvery flash' pattern to the underwings. |
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Many Short-tails may have patchy white underwings but the distribution of the white is different than on Sooty. Other small differences include a paler chin and steeper forehead on Short-tails. |
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The black vent is a nice mark (right) but a some (far left) may have a whitish vent [3 Black-vents in this photo with Sooty Shearwater, foreground]. |
TO GO ON TO STORM-PETRELS THROUGH PHALAROPES |
TO JUMP TO JAEGERS THROUGH TERNS |
TO JUMP TO ALCIDS |