I think, most of better or good photographers use 1 or 2 lenses...You can NOT be good - more or less everywhere...Either birding, portraits, macro, landscapes etc...
I haven't seen yet a photographer, who's good at using many lenses.
I've several lenses, but only one stays attached most of the time to my E-520 - Olympus ZD 70-300mm lenses. This lense made me addicted to birds and also to airplanes:
http://www.airport-data.com/photographers/gbmax:5834/
I've got very good 35mm Macro, but haven't used that much. Almost never used kit lenses that came with my camera - these are pretty good....But I try to learn as much as possible using 70-300mm
I think, it's way better to learn and use 1 or 2 lenses and make a better photos than to be proud of lense collection with no photos to be proud about....