Family REGULIDAE. 



Regulus regulus (L.) — Golden-crested Wren. 



(Plate 46, fig. a-c). 

 (Snouckaert: Avifauna Neerlandica, p. 32. No. 72). 



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: 



grey-yellowish white, inclining either to 

 greyish yellow or to white; sometimes 

 slightly flesh-coloured. 



greyish red and yellowish brown, shading 

 insensibly into the ground-colour. The 

 extremely fine cloudy markings, in a slightly 

 darker shade of the ground-colour, fre- 

 quently thickened circularly to a shadow 

 at the basal end, characterize the eggs of 

 this species. On eggs which are clouded 

 more strongly or more reddish, a distinct 

 zone is found in which spots lying deeper 

 and of an ash-grey appearance frequently 

 occur. 



13.6 X "10.3 millimetres. 



0.04 gram. 



rough to the touch. 



oblong ovoidal. 



consists mainly of various kinds of moss 

 and of material spun by insects; lined 

 with hair, feathers and seed-down. 



by preference at the ends of horizontal or 

 drooping branches of coniferous trees, 

 mostly fairly high; according to Thysse 

 sometimes also on the ground between 

 masses of roots and in stacks of brushwood. 



8—11 (after-set: 6—9). 



May— June. 



about 13 days. 



