Species occurring in the Black Sea
OccurrenceSpecies Common name
Notes
Regular
Delphinus delphis ponticus
Short-beaked common dolphinBlack Sea subspecies
Phocoena phocoena relicta
Harbour porpoiseBlack Sea subspecies
Tursiops truncatus ponticusCommon bottlenose dolphinBlack Sea subspecies
Vagrant
Balaenoptera acutorostrata
Common minke whale
 
IntroducedDelphinapterus leucas
Beluga
Escaped from captivity in Crimea in 1991, and repeatedly sighted in various locations in Bulgaria, Romania, Ukraine and Turkey until 1995

Definitions:


Regular
. A taxon regularly reproducing, feeding and carrying out all its vital functions in a region.

Visitor. A taxon that does not reproduce regularly within a region, but which has been repeatedly, albeit irregularly found within its boundaries.

Vagrant. A taxon which has been known to occur within the boundaries of a region, but only on rare occasions.

Introduced:
  • Introduction: the movement, by human agency, of a taxon outside its natural range (past or present).
  • Intentional introduction: an introduction made deliberately by humans, involving the purposeful (authorised or unauthorised) movement of a taxon outside of its natural range and dispersal potential.
  • Unintentional introduction: an unintended introduction made as a result of a taxon utilising humans or human delivery systems as vectors for dispersal outside its natural range.
  • Re-introduction: an attempt to establish a taxon in an area which was once part of its historical range, but from which it has been extirpated or become extinct.

 
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