
A study shows that a subpopulation of humpback dolphins found in Kalpitiya are critically endangered. They have declined in numbers from 15 in 2005 to just five adults as evidenced by photo identification.
These humpbacks regularly enter the Kalpitiya estuary (Dutch Bay & Puttalam Lagoon) with the tide to feed.
See Kalpitiya Humpback Dolphin Study & Photo ID Interim Report
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