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Sexing adult Silver Gulls Larus novaehollandiae by external measurements with confirmation by dissection

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Category: Issue 4

Author(s): Woehler, Park and Parr

Body measurements of 88 breeding adult Silver Gulls Larus novaehollandiae from north-west Tasmania enabled sexing of 95 percent of individuals based on Total Head Length and 93 percent of individuals on Bill Depth at Gonys measurements. Other body measurements exhibited higher degrees of overlap between males and females and were considered unsuitable for sexing purposes.

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