For birders all over the world
Continued... Ageing of second- and third-calendar year Lesser Black-backed Gull Larus (fuscus) graellsii during it’s complete moult in June and July.
Brian J. Small
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For birders all over the world
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Continued... Ageing of second- and third-calendar year Lesser Black-backed Gull Larus (fuscus) graellsii during it’s complete moult in June and July.
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| As a test, see how many of the "first-summers" you can age with confidence. | ||||||||||||
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| Fig.5. "1st summer" graellsii
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| Fig.6. "1st summer" graellsii
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| Fig.7. "1st summer" graellsii
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| Fig.8. "1st summer" graellsii
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| This discussion is continued on the next page...
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