Table 4. Concluded 



Food Item 



Per cent 



Consumed Occmrence Volume 



Coleoptera 



Coccinellidae adults 



Hemiptera 



Pentatomidae adults 



Homoptera 



Cicadellidae adults 



Lepidoptera larvae 



6.12 



6.12 



18.36 

 2.04 



T 

 T 



0.13 



T 



Grit 



4.05 



SUMMARY: 



Total plant material ( per cent of total volume ) 



Cultivated crop seeds 



Cultivated crop leaves 



Wild forb leaves 



Grass leaves 



Weed seeds 



61.90 

 11.76 

 6.76 

 2.12 

 9.05 



Total insect material 

 Total grit 



95.64 



0.31 

 4.05 



In the column headed "Part consumed," the letter "S" represents seeds and 

 "L" represents leaves. Hard seeds such as those of Rosa and Cornus were found 

 only in the gizzards and wear on seeds suggested that they functioned as grit. 



too- 



80- 



60- 



40- 



20- 



JAN. FEB. MAR APR. MAY JUNE JULY AUG. 



I I 

 SEPT. OCT. 



NOV DEC. 



Fig. 14. Seasonal foods of the greater prairie chicken in Kansas. 

 Cultivated grains are staple foods in winter and green foods are 

 used extensively in winter. 



found, but those of no one made up so much as one percent of the 

 total volume of food and seeds of weeds obviously make up only a 

 small part of the food under modem conditions. 



[47] 



