More than 6 million enthusiasts now buy "birding stuff" (binoculars, field guides, even special software to record observations) and go out of their way to visit places that have interesting concentrations of birds.
(More than 6 million enthusiasts; buy; birding stuff; T:now) (even special software; to record; observations) (field guides; to go; out of their way) (places; have; interesting concentrations of birds)
More than 6 million enthusiasts even special software field guides places
buy to record to go have
birding stuff T:now
observations
out of their way
interesting concentrations of birds