ML140571931

Age

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Sex

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Observation details

very distant, with the Black Terms: NOTE: On February 13, 2019 I changed the ID from Sooty to Bridled after having reexamined my photos and compared them to the many images now available on eBird. I had originally thought that it was a Bridled, but when I looked at my photos soon after the event i convinced myself that the apparent dusky under-primaries meant it must be a Sooty. Thanks to the eBird archive of photos It is clear that in certain situations it is not rare for the underside of the primaries on Bridled Tern to appear dusky - See the following examples: https://macaulaylibrary.org/asset /115570281?__hstc=60209138.5e5c056e2e6ca4c6632bcbe04cbe796e.1536630252297.1550107086171.1550115013327.188&__hssc=60209138.13.1550115013327&__hsfp=2470940433 https://macaulaylibrary.org/asset/126545801?__hstc=60209138.5e5c056e2e6ca4c6632bcbe04cbe796e.1536630252297.1550107086171.1550115013327.188&__hssc=60209138.14.1550115013327&__hsfp=2470940433 https://macaulaylibrary.org/asset/110004211?__hstc=60209138.5e5c056e2e6ca4c6632bcbe04cbe796e.1536630252297.1550107086171.1550115013327.188&__hssc=60209138.15.1550115013327&__hsfp=2470940433 - Also, the contrastingly pale, mid-gray rump and uppertail (evident in at least two of the photos) is a feature only seen on Bridled, not Sooty. Similarly the somewhat isolated dusky on the head is much better for Bridled than Sooty. Although Bridled is less-expected after storms than Sooty, the difference in records is not great: three regional records of Sooty on eBird versus none for Bridled but I am aware of one non-eBird record from San Antonio by a very experienced local birder.

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