This is a pre-copyedited, author-produced version of an article accepted for publication, following peer review. Das, D.K.; Khandakar, N.; Sultana, I.; Shamsuddoha, M.; Galib, A.J.; Akhtar, F.; Piersma, T. (2022). Population size, behavior and threats to Indian Skimmers (Rhynchops albicollis) at their largest known wintering site. Waterbirds 44(3). DOI: 10.1675/063.044.0314 Published version: https://dx.doi.org/10.1675/063.044.0314 NIOZ Repository: http://imis.nioz.nl/imis.php?module=ref&refid=351947 [Article begins on next page] The NIOZ Repository gives free access to the digital collection of the work of the Royal Netherlands Institute for Sea Research. This archive is managed according to the principles of the Open Access Movement, and the Open Archive Initiative. Each publication should be cited to its original source - please use the reference as presented. When using parts of, or whole publications in your own work, permission from the author(s) or copyright holder(s) is always needed.