Desert Lesser Whitethroats

Two of ’em!

Spun Bird Observatory has had  monster autumn. Alongside some more sexy headlining birds were two halimodendri candidates. This remains a rare bird in Britian whereas the term ‘scarce’ probably fits Siberian Lesser Whitethroats (blythi).

The first was found at Easington Cemetery by Tony Disley on 14th-15th October. Here it is:

halimodenrdi e c late oct 14

The second was at the point near the VHS tower. Both called (which helps enormously in the ID) and recordings were obtained of each. Sonograms look the same and fit halimodendri nicely. Here’s the point bird. Have a listen:

Here’s the sonogram of that November point bird. Though some variation, notice the thicker introductory note followed by several thinner notes on the seconds series. It’s virtually identical to the recording featured via the QR code in the Challenge Series: AUTUMN.

lesser whitethroat spurn 13 nov 2014


Here’s that second bird (the one with the recording above)  at the point on 13th November 2014. Both photos by Dave Boyle. Can’t see all you would want to but the bill looks smallish, the primary projection looks tiny and ‘squished’ the second primary (P2) looks especially short and the outer tail  feather very white.

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Back to Bird One

Here’s the bird at Easington Cemetery on 14th-15th October. Photos by Tony Disley. The first photo shows  fat rounded heading and tiny bill. Lovely! Again the primary projection looks  like its particularly short.

All this info is in the Challenge Series. Great to see records like these where lots of data obtained helping towards a much more robust ID than the old generic ‘Eastern Lesser Whitethroat’ epithet.

halimodenrdi b e c late oct 14 halimodenrdi c e c late oct 14 halimodenrdi d e c late oct 14 halimodenrdi e c late oct 14 halimodenrdi e e c late oct 14


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