PERSON@1 -LRB- PERSON@2 -RRB- ORGANIZATION@1 -LRB- known also as PERSON@3 -RRB- -LRB- December NUMBER@1 , NUMBER@2 -- July NUMBER@3 , NUMBER@4 -RRB- was a MISC@1 biologist , best known for his studies in the field of bioacoustics .

PERSON@1 -LRB- PERSON@2 -RRB- ORGANIZATION@1 -LRB- called PERSON@3 -RRB- -LRB- December NUMBER@1 , NUMBER@2 -- July NUMBER@3 , NUMBER@4 -RRB- , was a MISC@1 biologist .
