http://marinebio.org/species.asp?id=336 narwhals http://marinebio.org/species.asp?id=336 http://marinebio.org/species.asp?id=336 Narwhals, Monodon monoceros Narwhals, Monodon monoceros «Monodon monoceros, Narwhal» «Monodon monoceros, Narwhal» http://marinebio.org/species.asp?id=336 http://marinebio.org/species.asp?id=336