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BIRDS EXAMINED FOR FOOD HABITS ANALYSIS 



Stomach Contents 



Great blue 

 heron (Ardea 

 herodias) 



5/29/75 Forsyth 



8/6/75 



8/6/75 



Unknown 6.04 



Unknown 5.91 



Unknown 7.89 



Juvenile 4.81 



Nematodes, 1 fish hook, 

 5 longnose dace 

 (Rhinichthys catavaotae) 

 2 nharyngeal arches of 

 flathead chubs (Hybopsis 

 gracilis) 



Algae, 200 Chironomidae 

 larvae 



Algae, diatoms, and 

 arthropods 



Pectoral spines from at 

 least 3 stonecats 



(Noturus flavus) 



1 4-inch green sunfish 

 (Lepomis ayanellus) , 

 15 small fish ototliths, 



1 Trichoptera larva, 1 

 swivel and fishline and 7 

 small Cyprinids. 



2 stonecat spines and 1 

 Cyprinid pharyngeal arch 



2 11 -inch goldeye 

 (Hiodon alosoides) 



1 11 -inch goldeye 



Unknown 8.53 1 12-inch goldeye 



Unknown 9.08 5 Nematodes and 1 fish 

 scale 



Subadult 8.82 2 Flathead chubs and 12 

 longnose dace 



Juvenile 10.54 



Plant material, grass seeds. 

 1 grasshopper (Locustidae) 

 and Cyprinid vertebrae 



Juvenile 9.26 Plant material and seeds 



8/29/75 



Horton 



Heron 



Rookery 



Juvenile 13.29 



1 River carpsucker 

 (Cyprinus carpio) , 1 

 stonecat, otoliths, scales, 

 and grasshopper carapace 



CONVERSIONS: 1 kg - 2.2 lb. 



89 



