64 OUR SUMMER MIGRANTS. 



bird-like song is again for a short time heard. 

 Mr. Sinclair has observed the Garden Warbler 

 at Inverkip in Renfrewshire, where the richly- 

 wooded preserves afford it a constant shelter 

 during its summer sojourn," In Shetland, ac- 

 cording to Dr. Saxby,^ it is a rare autumn 

 visitor, usually occurring in September. By 

 exercising great caution he has sometimes 

 approached within a few feet of the bird, and 

 watched it picking the green aphides from the 

 sycamore leaves. It does not appear to have 

 been observed in Orkney. Its range north- 

 wards in Europe, according to Nilsson, ex- 

 tends to Sweden, where it is observed to be 

 a regular summer visitant, arriving in May 

 and leaving in August. In all the countries 

 bordering the Mediterranean it appears to 

 be well known. Mr. Saunders informs me 

 that it is common in Spain in spring and 

 autumn ; and Mr. Wright, referring to its pre- 

 sence at the same seasons in Malta, where it is 



' "The Birds of Shetland," p. 73. 



