Update: I gave up on checking skips, bit the bullet and shelled out for some 150mm by 25mm rough-sawn Siberian Larch. Picked it up on the 21st from the Russkie importers in the wild east of Boston. Placated my chauffeuse by allowing some shopping time in Brexit Central, including nearly £14 of excellent cakes to take away from Diva's, ate some delicious fish and chips in bright warm sunshine at Sunny's Plaice in Heckington, and stopped off to explore Sleaford's charity shops. Roughed out the design on Friday, built the nest box over the weekend, and discovered that the reason the camera in a nest box bought for about £20 in Lidl clearance a couple of years ago had never worked was a dodgy transformer (again and again - HMHB lyric). Another transformer from an unused digibox worked fine, so on Monday the box was adapted for the camera - full colour in daylight, night vision in monochrome, and decent sound.
A small box emptied of dates over Christmas will keep the camera wires away from exploratory beaks and claws, if it's ever occupied. Original plan was to position the box at the weekend with neighbours' assistance, but not liking the look of the weather, Mrs Poacher and I got it into place on Thursday morning, just before a downpour. Twenty metres of cable reaches the neighbours' kitchen TV quite neatly - they're delighted, even though I tried to dial back the enthusiasm by estimating the chance of first-year occupation at ~5%. Anyway, here are some pics.
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The last pic was taken this morning; it seems to have stayed firm during the overnight gales.
On the actual wildlife front, a pair of Mallard have been visiting the garden over the last few days, checking out the suitability of an overgrown hedge for nesting ( I guess), and doing a sterling job of clearing the pond of floating duckweed.