Order PASSERIFORMES. 
No. 72. 
Family TURBID M. 
TURDUS POLIOCEPHALUS. 
GREY-HEADED BLACKBIRD. 
(Plate 47.) 
Turdus poliooephalus. Ante , p. 48. This plate is lettered Planesticus fuliginosus. 
At the above reference I have given the synonymy and a description of 
the bird in different stages of plumage. 
Nest. Large, deep and cup-shaped ; composed of stalks, fibres, dry leaves, grasses and lichens or 
moss, but not matted together with mud ; lined with skeleton leaves and flat soft grasses. 
Eggs. Clutch two to three or four. Ground-colour greenish-white or pale green, sometimes 
creamish or pinkish-white, with smaller or larger rufous or brownish-red spots and patches, 
and some deeper bung ones of pale bluish or pinkish-grey. Some are pale blue with the 
marking restricted to the larger end, others resemble the eggs of the European Blackbird. 
Average measurements of ten eggs, 30*3 mm. by 21*2. 
Breeding-season. September to December generally. April and May sometimes. 
Distribution. Only found on Norfolk Island. 
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