I am not so sure you need to be a degreed biologist to understand migration patterns, since no one really does. The degreed biologists can only tell you (via such things as band reports) what has happend in the past. The lions share of mallards were in the
Dakotas this year because of the flooded fields. MN wetlands are downgraded for nutritional value (minnows). Even if MN had lower ...