Family TURDIDAE. 



Turdus viscivorus L. Mistle-Thrush. 



(Plate 68, fig. a— d). 

 (Snouckaert: Avifauna Neerlandica, p. 44, No. 105). 



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: 



yellowish-, greenish- or bluish grey; brown- 

 ish. 



reddish brown; the larger, darker coloured 

 spots are frequently surrounded by a 

 penumbra, and thereby acquire the character 

 of blotches with blurred edges. 



30.5 X 22 millimetres. 



0.43 gram. 



not specially characterized. 



ovoidal. 



consists of vegetable material and, some- 

 times, of wool, intermixed with earth. 



in various trees, especially by preference in 

 coniferous trees; also in shrubs; mostly 

 at a considerable height, but are also found 

 at a short distance from the ground. 



4-5 (after-set: 3-4). 



April-July. 



about 16 days. 



