
Table I - Aerial Breeding Pair Survey - Lake Erie Marshes (80-Linear Miles) 
ce ea en, 


Pairs Prs. Per Sq. Mi. Percent 
Species 1955 1956 1955 1956 Change 
oyIEIIIyIyIyIEyEEEeEyeEeEeEeEEeEeEyamyyEaymaeama=e=EeEeaeaeaeaeaeSeaeaEaeaeESEeEeEeEeEeEaoyEyxryyEEeEL——EEELEEeEEEEL—L——————————E—E>—ESE 
Mallard 83 96 8.3 9.6 + 16 
Black Duck 79 82 7.9 8.2 + 4 
Blue-winged Teal 10 12 1,0 1.2 + 20 
Wood Duck 6 5 .6 25 - 16 
Total 178 195 17.8 19.5 + 10 


Table II - Waterfowl Breeding Pair Survey - Magee Marsh (1,960 Acres) 

Pairs Prs. Per Sq. Mi. Percent 
Species 1955 1956 1955 1956 Change 
Mallard * 24 43 7. 74 13.90 + 80 
Black Duck 6 8 1.94 2.60 + 33 
Blue -winged Teal 7 11 2.26 3.55 + 57 
Wood Duck 21 11 6.77 3.55 - 46 
Canada Goose ] ] 32 fae WA Same 

Total 39 74 19.03 23.92 + 25 
* Fourteen of the mallard pairs during 1956 were hand-reared mallards, 
part of a general release made the previous summer. 
Table III - Waterfowl Breeding Pair Survey - Streams (160-Linear Miles) ** 


| a Pairs Prs. PerSq.Mi. |. Percent 
Species 1955 ~ 1956 1955 1956 Cha ripe 
Wood Duck 64 114 . 60 Ae tl + 18 
Mallard 11 26 10 . 16 + 60 
Black Duck 1 3 .O1 02 +100 
Blue -winged Teal ] l . Ol . 006 - 40 
Total 77 144 ate . 896 + 25 
** 107 linear miles surveyed during 1955; 160 linear miles surveyed during 
1956. Different areas surveyed during 1955 and 1956. 
80 
