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there are alot of wren types (about 60) a few are:
the blue-fairy wren
the cactus wren
the sedge wren
purple crowned fairy wren
He wasn't crowned, he was knighted in 1673 to become Sir Christopher Wren. Only kings and queens are crowned.
i do no know ok got it i am now doing a project on it but for now i do not know
See it below link-
Yes. It is