"Kristan Roberge" wrote in message
...




How often do you strike 4 pounds of bird? Other than ducks and geese, I
can't
think of many 4 pound birds you might run a plane into.



Herring Gulls reach 1.5 kg

Cormorants have been known to be as heavy as 3 kg

Gannets are in the 2-3 kg range

Swans of various types can reach 10 kg

Keith