BIRDS OF THE BRITISH ISLES. 



145 



Cucfeoo, 



HfJ flu WC AH. 



THE Yellow-billed Cuckoo (Cvayzns Americanos, Linnaeus) 

 is a very rare abnormal autumn migrant to the British 

 Islands. It inhabits America, from Canada south to 

 Brazil, and in winter migrates from the northern portions. 

 The general colouration of the upper parts is buffish-brown, 

 glossed with greenish ; two central tail-feathers, buffish- 

 l rown ; remainder, nearly black, tipped broadly with white ; 

 quills, tinged with pale yellowish-chestnut; under parts, 



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