Saturday, September 29, 2012

More tits

It was a slightly busier day again today with 467 birds ringed at the lighthouse (totals online — click Ringing); as expected, the bulk were Blue Tits (322) but there was a considerably upturn in the number of Great Tits too (106); also two Coal Tits again.

This 1cy male Siskin was one of two ringed. I mentioned in an earlier post that wagtails often leave GC10 unmoulted whilst moulting CG9 or occasionally GC 9 & 8 during post-juvenile moult — Siskin is another species that seems to display this pattern with some regularity. This bird has moulted all of median coverts and GC9 but not GC10; the tertials are juvenile.

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