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birding-aus
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birding-aus
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| To: | "Greg Roberts" <>, <> |
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| Subject: | broad-billed flycatcher on sunshine coast - Not so! |
| From: | "Mike Carter" <> |
| Date: | Mon, 12 Dec 2011 16:51:09 +1100 |
Sorry Greg but your shots show the birds to be Leaden not Broad-billed
Flycatchers. Tail shape is diagnostic, square in Satin & Leaden Flycatchers,
rounded in Broad-billed. In Broad-billed the outer rectrices are 5-7 mm
longer than the central pair and the fairly even graduation in length is
obvious viewed ventrally. In your birds T1 to T6 are almost equal in length.
See HANZAB. Bill shape and measurements are confusable and frequently
mislead.
Mike Carter 30 Canadian Bay Road Mount Eliza VIC 3930 Tel (03) 9787 7136 |
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