Family ANATIDAE. 



Querquedula querquedula (L.) — Garganey. 



(Plate 186, fig. a-c). 

 (Siiouckacrt: Avifauna Necrlandica, p. 126, No. 300). 



Colour of surface of shell : 



Average dimensions: 



Average weight of shell : 



Texture of shell: 



Shape: 



Nest: 



Down: 



Small feathers: 



Site of nest : 

 Number of eggs: 

 Breeding season : 

 Duration of incubation: 



creamy white, in various shades; sometimes 

 tinged pale greenish ; often with a brownish 

 haze. 



45 32 millimetres. 



about 2 grams. 



fine and smooth; finer than in A^. crccca. 



usually elliptical. 



consists of vegetable materials and down. 



dull sooty-brown, topped with clear white 

 (smaller than that of A', crccca). 



light grey, with dark central spots which do 

 not extend cither to the top or to the edge. 



on the ground among reeds, hedges, etc. 



as a rule 8—12. 



end of April, May. 



about 25 days. 



