876 



APPEXDIX 



TABLK 176. Qt ALITY OP i:\ IDENCI-; \SCUIBi:U TO DIAGNOSES OF BROKEN-UP 

 GROUSE NESTS FOUND BY THE INVESTIGATION AND 

 ATTRIBUTED TO PREDATION 1929-1942 



Species 



Foj 



Weasel 



Fox or weasel 



Skunk 



Raccoon 



Dog 



Woodchuck 



Red squirrel. 



Reil squirrel or chipmunk 



Chipmunk or mice 



Opoeaum 



Bobcat 



House cat 



Crow 



flrent horned owl 



Cooper's hawk 



Hawk sji 



Hawk or owl 



Pheasant 



Black snake 



Sub-total 



Predator undeterminable. 



Total 



Quality of evidence 



E^xcellent 



40 

 17 



22 

 5 



10 

 6 

 1 



ii 



4 



1 



Good 



74 

 17 



i9 

 16 

 11 



Fair 



56 

 15 

 40 

 20 



7 

 5 



Total 



170 



49 



40 



61 



43 



19 



9 



10 



3 



2 



1 



1 



2 



21 

 8 

 2 

 1 



IS 

 4 



463 

 88 



551* 



*The total number of records used in this table differs from that indicated in 

 table 35 because riest.s not comparable for survival calculations could never- 

 theless be included here 



TABLE 177. QUALITY OF EVIDENCE ASCRIBED TO DIAGNOSES OF DEAD GROUSE CHICKS 

 FOUND BY THE INVESTIGATION AND ATTRIBUTED TO PREDATION 



—1930-1942 



TABLE 178. QUALITY OF EVIDENCE ASCRIBED TO DIAGNOSES OF DEAD ADULT GROUSE 

 FOUND BY THE INVESTIGATION AND ATIRIBUTED TO PREDATION 



—1930-1942 



