40 BIRDS. 



Sub-order COCCYGES ZYGODACTYLL 



Fam. CUCULID^. 



146. Cuculus canorus L. Cuckoo. 



Summer visitant, generally distributed, common. Arrives 

 in the third week of April, departing early in August. 

 Young birds linger to the end of September, and even into 

 October. 



147. Coccystes glandarius (X.). Great Spotted Cuckoo. 



148. Coccyzus americanus (Z.). Yellow-billed Cuckoo. 



149. Coccyzus erythrophthalmus {IVils.). Black-billed 



Cuckoo. 



Order 2. ACCIPITRES. 



Sub-order STRIGES. 



Fam. STRIGIDiE. 



150. Strix flammea L. Barn-Owl. 



Resident, generally distributed, fairly common ; most 

 numerous in South Yorkshire. In the latter months of the 

 year there are instances of this species sometimes occurring 

 in unusual numbers inland, and it is also occasionally 

 observed on the coast as an autumn immigrant 



Fam. BTJBONID^. 



151. Asio otus {L.). Long-eared Owl. 



Resident in woodland districts, where it is local in its distri- 

 bution but common where found. Is observed annually 

 on the coast as an immigrant in late autumn, accompany- 

 ing A. accipitri7iiis , and in the \vinter ; and it is question- 

 able if these immigrants do not replace the local birds, 

 which appear to leave in the winter and return in early 

 spring. 



