I am researching why the US fish and wildlife agency
bands ducks and what information is used to set hunting daily and
The USFW service has been doing this for decades to have statistical data
on the population fluctuations of all birds. This information serves to
warn when over hunting has taken a toll on a species or if a species is
declining due to habitat loss or whatever. This information also indicates
need for increased habitat areas as well as possible hunting
restrictions. This organization has a formula for setting hunting limits
based upon the data received from banding. It is important that all
hunters return these bands for they are the ones who will suffer if the
information is not there. Females of any species are the most important
for reproduction and often they are protected over the males. This should
explain the differences in what can be bagged.
More information can be acquired through the USFW Service.
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Update: June 2012