No PDF for this one
The Hawaii Biological Survey lists this publication without a file.
Contribution to the Hawaii Biological Survey
Status and population trends of Hawaii's native waterbirds, 1977-1987
Engilis, A., Jr. & Pratt, T.K. · 1993
The Wilson Bulletin 105(1): 142-58.
Engilis, A., Jr. & Pratt, T.K. 1993. Status and population trends of Hawaii's native waterbirds, 1977-1987. The Wilson Bulletin 105(1): 142-58.