Sites

Risso's Dolphin, Grampus griseus - English
URL: http://www.aquatic.uoguelph.ca/mammals/whales/accounts/risso.htm

Features.

[ eng ]

Grampus griseus (Risso's Dolphin): Narrative - English
URL: http://animaldiversity.ummz.umich.edu/accounts/grampus/g._griseus$narrative.html

Risso's dolphins are pelagic, encountered most commonly seaward of the continental slope. They are known to frequent subsurface seamounts and escarpments where they are thought to feed on vertically migrant and mesopelagic cephalopods.

[ eng ]

Grampus griseus (Risso's Dolphin) - English
URL: http://www.cetacea.org/rissos.htm

Cetacea - the world's whales, dolphins and porpoises all on one site. Risso's Dolphin inhabits deep tropical and warm temperate waters in both the Northern and Southern Hemispheres. They are not thought to migrate over large areas.

[ eng ]

Risso's Dolphin (Grampus griseus) - English
URL: http://www.nsrl.ttu.edu/tmot1/gramgris.htm

Risso’s dolphins have been observed in large groups of several hundred but smaller groups of three to 30 are more common. They seem to prefer deep offshore waters and in the Gulf they are probably rare over the shallow waters of the continental shelf. They eat squid and fishes.

[ eng ]

Grampus - English
URL: http://www.funet.fi/pub/sci/bio/life/mammalia/cetacea/delphinidae/grampus/

Grampus griseus (Cuvier, 1812).

[ eng ]

Grampus: Risso's Dolphin, or Gray Grampus - English
URL: http://www.press.jhu.edu/books/walkers_mammals_of_the_world/cetacea/cetacea.delp

Grampus generally occurs well out to sea in waters deeper than 180 meters. It apparently migrates northward during the warmer months.

[ eng ]

Cetacea Delphinidae Grampus, World Distribution Table - English
URL: http://www.press.jhu.edu/books/walkers_mammals_of_the_world/tables/table.genus.c

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