154 STUDIES IN BIRD-MIGRATION 



not less interesting, are the Mealy Redpoll, Great 

 Grey Shrike, Shore- Lark, and Rough-legged Buzzard. 



From the east prodigious numbers of Rooks, Jack- 

 daws, Starlings, Chaffinches, Greenfinches, Tree- 

 Sparrows, and some Mistle-Thrushes rush across the 

 North Sea from the Dutch coast to the shores of East 

 Anglia, the mouth of the Thames, and the eastern littoral 

 of Kent. 



During the early days of the month, the rearguard 

 units of the great army of the insect-eating birds — 

 the warblers, flycatchers, wagtails, pipits, swallows, etc. 

 — and also of the waders — Little Stints, Curlew-Sand- 

 pipers, Common Sandpipers, Green Sandpipers, and 

 Ruffs — pass southwards. While among the rarer visitors 

 are the Little Bunting, Siberian Chiffchaff, Yellow- 

 browed Warbler, Red-spotted Bluethroat, Black Red- 

 start, Red-breasted Flycatcher, Dusky Redshank, and 

 Wood Sandpiper. 



It would be wearisome to enter into further particulars 

 regarding various species of regular migrants (no less 

 than 140 in number) on the move during the month ; but 

 those who wish to have further details will find much 

 information on referring to pages 129-140, and to the 

 chapters devoted to Fair Isle, the Flannans, and the 

 Kentish Knock. 



Emigration of Sttmuier Visitors. — The departure of 

 those birds which have spent the summer with us has 

 already practically ceased, though some of them which 

 rear more broods than one during the season, such as the 

 House- Martin and others, are often detained by late 

 families sometimes well into the month. 



Many birds of species which are summer visitors to 

 our isles do indeed occur, chiefly on the coasts and in 



