Over 645 sightings of cetacean groups (of one and more individuals) have been recorded in the Black Sea, Azov Sea and Kerch Strait during the period from 1993 to 2010 inclusive.

Cetacean sightings in the Mediterranean during 2011 by the Bottlenose Dolphin Research Institute (BDRI).

This dataset was collected during CIRCE's research survey on cetaceans with visual effort between 2001-2012.

Killer whale sightings in the Hebrides Sea between 1990 and 2006.

Dataset information available at <a href=http://seamap.env.duke.edu/datasets/detail/64 target=_blank>http://seamap.env.duke.edu/datasets/detail/64</a>

This database is about observations of porpoises around Sweden.

Point file data on all sighting events and associated parameters and data from the survey.

A contribution to the distribution of cetacean species in Turkish waters.

Cetacean strandings on the Bulgarian Black Sea Coast in 2010.

Collecting data regarding sightings of the Black Sea cetacean at the Romanian coast.