Family ANATIDAE. 

 Spatula clypeata (L.) — Shoveller. 



(Plate 182, fig. a-c). 

 (SiioiickaLTt : Avifauna Neerlandica, p. 124, No. 297). 



Colour of surface of shell : 



Average dimensions: 



Average weight of shell : 



Texture of shell : 



Shape : 



Nest: 



Down (In bulk): 



Small feathers: 



Site of nest: 



Number of eggs : 

 Breeding season : 

 Duration of incubation: 



ranges from pale yellowish white to pale 

 greenish yellow. 



53 y 37 millimetres. 



about 3 grams. 



fine and smooth. 



mostly elliptical or short ovoidal. 



composed of vegetable materials and down. 



dark sooty-brown, with numerous greyish 

 white spots. 



yellowish, with a blackish brown central 

 spot which does not reach to the top; 

 white at the base. 



on the ground among tall grass and heath- 

 shrubs; among reeds; in dune-valleys, etc. 



7—10 (sometimes more). 



May, June. 



about 27 days. 



