30 IDENTIFICATION OF A SPECIMEN IN HAND 



AMERICAN BRANT 



(Collar incomplete in front 

 and behind) 



CANADA GOOSE 



BLACK BRANT 



(Collar incomplete 

 behind only) 



WHITE-FRONTED AND TULE GOOSE BARNACLE GOOSE 



EMPEROR GOOSE 



GREATER AND LESSER SNOW GOOSE ROSS'S GOOSE 



BLUE GOOSE 



FIG. 25. Head and neck pattern of the geese 



