http://www.grey-squirrel.org.uk/
As a grey squirrel, I've watched with great interest and dismay the
many news stories claiming that we are "aliens" to the United Kingdom,
and killers of our friends the red squirrels.
As a senior adviser to Squirrel Natural Heritage (SNH), I feel it is
my duty to try to dispel these myths and show that a lot of the
"scientific evidence" quoted by conservation groups, and even
government organisations, is based on a political desire to attain an
idealistic version of nativeness, rather than a sensible realisation
that humans are part of the environment, like ourselves, and we can
all live together in peace. When you look in depth at what these
organisations are saying, you find that even their definition of being
"native" is quite questionable.