Sabine's gull treated as comprising a monotypic genus; it is only placed within the genus "Larus" when the genus is enlarged. The black bill and notched tail are almost unique within the gulls, as they are shared only with the swallow-tailed gull of the Galapagos. On the basis of this the two species were often thought to be each other's closest relatives, a hypothesis ruled out by a number of behaviour and ecological differences. Mitochondrial DNA studies confirmed that they are not closely related, and the closest relative of the Sabine's gull is now thought to be the ivory gull, another Arctic
Love Is Just a Four-Letter Word Love Is Just a Four-Letter Word "Love is Just a Four-Letter Word" is a song written by Bob Dylan, and long associated with Joan Baez, who has recorded it numerous times, and performed it throughout her career. Baez immediately took to the song, which was written by Dylan sometime around 1965, and began performing it, even before it was finished. In the film "Dont Look Back", a documentary of Dylan's 1965 tour of the UK, Baez is shown in one scene singing a fragment of the then apparently still unfinished song in a hotel room late at night. She then