DIVIDEDS INTO GROUPS ons 
Group XVII.—Large birds, larger than a 
Rook: Great Grebe (between a duck and a 
goose), Heron (3 feet high), Hooded Crow 
(larger than a rook). 
Group XVIII—Birds of many coloured or 
gay plumage: Blue Tit, Green and Great 
Spotted Woodpecker, Kingfisher, Long-tailed 
Tit, Wild Duck (Mallard) male, Jay, Pheasant, 
Pochard (male), Bullfinch, Chaffinch, Green- 
finch, Yellow-hammer. | 
Group XIX-—Birds that are found in 
smaller or larger flocks in the winter : Sparrows 
(especially in the country), Lapwings (gener- 
ally in low-lying parts), Starlings, Wild 
Ducks (near water or in marshes), Chaffinches, 
Greenfinches, Linnets (these three are often 
together). House-martins, Swallows, Swifts, 
Sand-martins (these four are in flocks mostly 
at migration time in October). Jackdaws, 
Rooks, Pigeons, Turtle-doves (small flocks), 
Missel Thrushes (small flocks), Partridges 
(coveys). Sandpipers, Dunlins, Sanderlings, 
Dotterels, Curlews, Sea-gulls, Redshanks 
(these, and there are others, are seaside birds). 
