Eggs of British birds 1: 5 coloured cards from drawings by H Gronvold (C7) C46 British jay, rook, carrion crow, raven, jackdaw, magpie, blackbird C47 Blackbird, missel-thrush, ring-ouzel, British dipper or water-ouzel, nightingale, British song-thrush, redstart, British robin or redbreast, spotted flycatcher, swallow, British stonechat, sand-martin, wheatear, martin, whinchat C48 Grasshopper warbler, sedge-warbler, reed-warbler, whitethroat, blackcap, wood-warbler C50 Merlin, hobby, barn-owl, sparrow-hawk, kestrel or windhover c1924