WEIGHTS AND MEASUREMENTS 387 



RUDDY DUCKS, AND TREE DUCKS 



RUDDY DUCK 



MALE: Length, 14.7" to 16.0"; av'ge (of 23), 15.4". Wing-spread, 21.5" to 24.2"; 

 av'ge (of 11), 22.6". Weight, 1 Ib. 3 oz. to 1 Ib. 12 oz.; av'ge (of 8), 1 Ib. bi/ 2 oz. 

 FEMALE: Length, 14.5" to 16.2"; av'ge (of 15), 15.1". Wing-spread, 21.0" to 

 23.7"; av'ge (of 8), 22.4". Weight, 11 oz. to 1 Ib. 7 oz.; av'ge (of 13), 1 Ib. 2 oz. 



MASKED DUCK 



MALE: Length, av'ge (of 2), 14.0". Wing-spread (1 only), 20.5". 

 FEMALE: Length (1 only), 13.0". Wing-spread (1 only), 20.0". 



FULVOUS TREE DUCK 



MALE: Length, 18.7" to 20.0"; av'ge (of 4), 19.2". Wing-spread (1 only), 36.5". 



Weight (1 only), 1 Ib. 11 oz. 



FEMALE: Length, 17.0" to 28.7"; av'ge (of 4), 18.4". 



