LIST OF ILLUSTRATIONS 



Face page 



A pair of Lesser Spotted Woodpeckers attacking a Great 



Spotted Woodpecker .... Frontispiece 



Territorial flight of the Black-tailed Godwit . . 64 



Competition for territory is seldom more severe than 

 among cliflf-breeding seabirds, and the efforts of 

 individual Razorbills to secure positions on the 

 crowded ledges lead to desperate struggles . . 64 



Male Blackbirds fighting for the possession of territory. 

 The bare skin on the crown of the defeated bird shows 

 the nature of the injuries from which it succumbed . 74 



Male Cuckoos fighting before the arrival of a female . 82 



Two pairs of Pied Wagtails fighting in defence of their 



territories ....... 86 



Long-tailed Tit : males fighting for the possession of 

 territory. The feathers have been torn from the crown 

 of the defeated and dying rival . . . .96 



A battle between two pairs of Jays .... 106 



The Female Chaffinch shares in the defence of the territory 



and attacks other females . . . .110 



Peregrine Falcon attacking a Raven .... 216 



A battle between a pair of Green Woodpeckers and a 

 Great Spotted Woodpecker for the possession of a hole 

 in an oak-tree ...... 238 



Plans of the Water-meadow showing the Territories 



occupied by Lapwings in 1915 and 1916 Between 58 and 59 



IX 



