In most lines of the following text, there is one unnecessary word. It is either grammatically incorrect or does no fit in with the sense of the text.

For the Birds

1. One of the hottest destinations for birdwatchers who like to combine
2. travel with their chosen hobby has got to be Tobago. With
   our
   our
   more
3. than 210
   various
   various
   feathered creatures, Tobago is a birdwatcher's
4. paradise. In fact, Tobago and its sister island, Trinidad,
5. are included in the top
   to
   to
   ten list of countries having the
6. most species of birds per square kilometre. Newton George,
   is
   is
   a
7. Rainforest Reserve Ranger on the island, has made it his life's work
8. to protect these birds. Amazingly enough, George
   also
   also
   can identify each
9. and every one of the species on sight. Even more unbelievable,
10. is the fact that he can even identify any
    thing
    thing
    of the endemic bird
11. species by their call. This is no
    very
    very
    mean feat considering
12. as
    as
    each kind of bird has at least three different vocalisations.
13. The Main Ridge Forest Reserve, where George is employed, was
    being
    being
14. established in the 18th century and has the distinction of being
    one
    one
    the
15. oldest rainforest reserve in the Western Hemisphere. Running
    out
    out
    through
16. the reserve is the Gilpin Trace. Overwhelming with its bountiful shade
17. and incredible variety of
    plant
    the
    plant and animal life, this trail
18. has become
    so
    so
    a mecca for both birdwatchers and nature lovers alike.