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[0] Cackler [1] Smallest, Mallard sized [2] 3.3.5lb [3] Short, stubby bill and "puffy" head. Neck seem to merge with breast. [5] High-pitched yelping [6] Large flocks, variable [7] Increasing rapidly, 100,000+ [8] Down right friendly. [9] Relatively rapid wing beat. [4] 
Yellow collars
C O L L A R S
W h i t e c o l l a r s
N o c o l l a r s
R e d C o l l a r s
B l u e C o l l a r s
C o l o r L e g b a n d s a n d g r a y , g r e e n a n d b l u e c o l l a r s
Y e l l o w c o l l a r s
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