Table of Contents 



XIX 



PAGE 



Chapter 6. weather conditions in relation to grouse 184 

 Effects of Weather on the Habits and Num- 

 bers of Grouse 184 

 Population Fluctuations Affected by Weather 



Conditions 190 



References and Citation Sources 194 



Chapter 7. interrelationships of ruffed grouse to 



mammals and to other birds 196 



Species that Prey Upon Grouse 



Relation of Predation to Cover Types 



Predators as an Agent of Sanitation 



The Effect of Predator Control on Ruffed 



Grouse Populations 

 The Abundance of "Buffer" Species as It Af- 

 fects Predator Food Habits and Grouse 

 Mortality 

 Other Animals that Affect the Grouse Wel- 

 fare 

 Predation as a Limiting Factor 

 References and Citation Sources 



196 

 209 

 210 



211 



215 



219 

 219 

 221 



Chapter 8. the diseases and parasites of wild ruffed 

 grouse 



Characteristics and Occurrence of Disease 



Agents 

 Total Parasite Infestation 

 Disease as a Limiting Factor 

 References and Citation Sources 



223 



225 

 249 

 250 

 252 



Chapter 9. man's relation to the grouse 



As a Hunter and Trapper 

 As a Farmer and Lumberman 

 As a Conservationist 

 Man as a Limiting Factor 

 References and Citation Sources 



254 



255 

 267 

 271 



275 

 275 



