LIST OF ILLUSTRATIONS 



Page 

 While Preferring the Ground, Grouse take Readily to Trees when Necessary 163 

 Grouse Often "Sit Tight" when Threatened by Danger 165 



Grouse Thrive where there is a Rich Diversity of Types. Here Open Fields. 

 Overgrown Land, Second-Growth Hardwoods and Mixed Hardwoods and Coni- 

 fers Combine to Make a Productive Covert 1 '<• 

 The Luther Preserve is Reforested with Blocks of Conifers which Often Ad- 

 join Natural Woodlands 1"'' 



Good "Edge" Cover ^^^' 



Small Slashings are Attractive to Broods and Adults Alike 177 

 The Amount and Variety of Food Found in the Crop of a Grouse is Often Sur- 

 prising • 1^^*^ 



Spring Grouse Foods 20.t 



Summer Grouse Foods 20. 



Fall Grouse Foods 209 



Winter Grouse Foods 211 



Pastures and Fields, Left to Themselves, Soon Revert to Overgrown Lands. Here 

 Species Providing Excellent Grouse Food and Some Shelter are Apt to be 

 Plentiful 226 



Scrub Apples and Hawthornes, Cattle Seeded in Old Pastures, are Prime Favor- 

 ites with the Grouse 228 

 From June Through September no Cover Type is so Rich in Grouse Food Plants 



AS ARE Cut-Over Lands 233 



Track of Ruffed Grouse in Snow 2.52 



Wing-Tip Impressions Left in Snow where Grouse had Taken Off 253 



"Billy" (see Text) Showing Reaction to Running Motor of Tractor 263 



Pile of Winter Droppings Showing where Grouse had Roosted on the Ground 



FOR Several Hours 270 



Typical Grouse Dust Bath Beside Stump 272 



A Drumming Grouse 275 



Rear, Front and Side Views of Cock Groise during Drumming Performance. Each 



Sequence Starts at Top 2i i 



Where a Grouse Drummed in the Snow on a Granite Ledge in February 270 



A Typical Grouse Drumming Log 280 



A Strutting Grouse 283 



The Nest of a Ruffed Grouse is Merely a Cup-Shaped Depression Among the 



Leaves of the Forest Floor 286 



Grouse which Continued to Sit on Nest in Spite of Wood-Cuttinc Operation 



Directly Beside It 287 



Grouse Nest Containing Six Pheasant Eggs 289 



Grouse Egg Shells Found in Vicinity of Broken-up Nest Giving Evidence of 

 having been Eaten by a Fox. Shells were Actually Left Much More Widely 

 Scattered than Shown in Photo 313 



Site of Broken-up Grouse Nest Showing Feathers of Female which was Prob- 

 ably Killed by a Great Horned Owl and Several Egg Shells Giving Evidence 

 OF Having Been Eaten by a Raccoon 313 



Feather Remains of Grouse Chick Killed by a Hawk— Probably a Sharp-Shin 317 



