Family CORVIDAE. 

 Garrulus glandarius (L.) — Jay. 



(Plate 6, fig. a— d). 

 (Snouckaert: Avifauna Neerlandica, p. 9, No. 8). 



Colour of surface of shell ; 

 Colour of spots: 



Average dimensions: 

 Average weight of shell: 

 Texture of shell: 

 Shape : 

 Nest: 



Site of nest: 



Number of eggs: 

 Breeding season: 

 Duration of incubation: 



greyish green. 



of a greyish brown cloudy appearance; at 

 the larger end there are often a few dark 

 brown veinlike streaks. 



31 X 23 millimetres. 



0.569 gram. 



coarse. 



ovoidal. 



is made of twigs, heather, stalks and small 

 roots. 



in young trees; especially in pole-wood of 

 firs and pines. 



5—7; in exceptional cases a larger number. 



April— May. 



about 17 days. 



