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Cornish Red Data (2009)

The descriptive text, below the map, is from the Cornish Red Data Book (2009). The map on this web page depicts the organisms distribution and shows the records made pre-2000 and those made since.

Grampus griseus - Risso's Dolphin



Range & Status

This species has a wide distribution and is abundant in tropical and temperate latitudes throughout the world' s oceans. The northern limit is Newfoundland and Shetland in the Atlantic. Large scale migration is not known. The major UK population occurs around the Hebrides, with a regular presence in the Northern Isles, and in the Irish Sea, particularly around Bardsey Island. Elsewhere, it is fairly common in south-east Ireland and western Ireland, around the Iberian Peninsula and in the Mediterranean. (UK Biodiversity Group, 1999).

Strandings

Strandings recorded in the region in the following years: 1922 (1), 1923 (1), 1928 (1), 1929 (1), 1936 (1), 1945 (1), 1970 (1), 1977 (1), 1979 (1), 1980 (1), 1981 (3), 1982 (1), 1983 (1), 1984 (1), 1986 (2), 1988 (1), 1993 (1), 1994 (1), 1998 (4), 1999 (2), 2002 (2), 2004 (2).

Sightings

1995 ( 5), 1996 (6), 1997 (8), 1998 (33), 1999 (44), 2000 (13), 2001 (30), 2002 (13), 2003 (17), 2004 (13) 2005 (16), 2006 (9), 2007 (24).

Conservation

Listed as Least Concern. (Taylor et al ., 2008b. Grampus griseus . In: IUCN 2008. 2008 IUCN Red List of Threatened Species. . Downloaded on 18 March 2009.) A UK Biodiversity Grouped Plan species.

Source:

I.J. Bennallick, S. Board, C.N. French, P.A. Gainey, C. Neil, R. Parslow, A. Spalding and P.E. Tompsett. eds. 2009. Red Data Book for Cornwall and the Isles of Scilly. 2nd Edition.Croceago Press.

The Cornish Red Data Book Project was led by the Cornwall and Isles of Scilly Federation for Biological Recorders (CISFBR). The full text and species accounts (minus the maps) are available on the CISFBR website.



Cornish Biodiversity Network. 2017.