191^-] Birds of the Isle of May. 277 



Cuciiliis canorus canorus. The Cuckoo. A bird of double 

 passage, occurring in spring from the end of April to early 

 June, and in autumn from 10 July to 23 August, the later 

 records being birds of the year. 



Micropus apus apus. The Swift. Passes in spring and 

 autumn; at the former season from 3 May to early June, 

 at the latter from tlie end of July to the beginning of 

 September. Swifts migrate largely by day, but must also 

 travel at night, as they are occasionally killed at the 

 lantern. 



Caprimulgus europaeus europaeus. The Nightjar. There 

 are three records for the island, namely, on 23 September 

 1881, 2 June 1902, and 9 October 1913. 



Upupa epops epops. The Hoopoe. There are two records 

 for the island, namely, on 30 April 1898, and 1-3 October 

 1910. 



Alcedo ispida ispida, The Kingfisher. The only record 

 for the island is of a bird killed at the lantern on 2/3 Sep- 

 tember 1914. 



Asio otus otus. The Long-eared Owl. An occasional 

 visitor from September to November, and one was recorded 

 on 26 July, 1915. 



Asio accipitrinus accipitrinus. The Short-eared Owl. A 

 bird of double passage : in March and April, and again from 

 24 September to early November. Quite a number visit 

 the island some autumns. 



Buteo buteo buteo. The Buzzard. On 22 October, 1913, 

 we saw a bird of this species being ciiased by a Peregrine ; 

 they flew south ovei- the island, the Falcon stooping at the 

 Buzzard, which uttered wild mewing calls. 



lalco peregrinus peregrinus. The Peregrine. Used to 

 breed on the clifl's, but now no longer does so. Frequently 

 visits the island at all seasons. 



