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What a delightful picture. 14 of them; that's some brood! and early too.
15 in total but only 14 in the picture, very early my county recorder had got them as early as the first week in May but never April
Photographed on 1st April - they must have hatched in March!
Lat/Lng: 52.5066, -3.3485
OS grid ref: SO085907