Sea Bird II, foaled in 1962, is considered by many to be one of the best post-war European racehorses. He was sired by Dan Cupid, out of Sicalade.

Sea Bird is most famous for Group One victories in two of Europe's biggest races, the Epsom Derby and the Prix de l'Arc de Triomphe. Sea Bird was trained in France by Etienne Pollet, and the Derby was the only time that he ran in Britain, but the ease of his victory marked him out as one of the very best Derby winners in living memory. He won the race by a conservative two lengths, but was barely asked to extend himself. The second home that day, Meadow Court, went on to win the Irish Derby and English racing's biggest prize, the King George VI & Queen Elizabeth Diamond Stakes. The Derby Stakes, known colloquially as The Derby and internationally as the Epsom Derby, is considered one the most prestigious flat thoroughbred horse races in the world. ... Races at Lonchamp - Édouard Manet, 1867 The Prix de LArc de Triomphe is a flat thoroughbred horse race of a 2400 metres (about 1 mile 4 furlongs) raced on turf for 3 year olds and up, Colts, horses, Fillies and mares (exclude geldings). ... The King George VI & Queen Elizabeth Diamond Stakes is a Group 1 United Kingdom flat racing horse race for three year old and above horses run over a distance of 1 mile 4 furlongs at Ascot Racecourse during July. ...

In the Arc, he faced an incredibly strong field, including Meadow Court, Kentucky Derby winner Tom Rolfe, French Derby winner Reliance, and Russian champion Anilin. Sea Bird won comfortably, six lengths in front of Reliance, who was in turn six lengths in front of Diatome, who would go on to win the Washington International. The Kentucky Derby is a stakes race for three-year-old thoroughbred horses, staged yearly in Louisville, Kentucky on the first Saturday in May, capping the two-week-long Kentucky Derby Festival. ... The racehorse Tom Rolfe (1962 - 1989) was one of the best American sons of the great racehorse and sire Ribot. ...

Among his progeny are the Champion Hurdle winner Sea Pigeon and Gyr, who finished second in the 1970 Derby behind the incomparable Nijinsky II. The racehorse Nijinsky II (presumably named after the dancer Vaslav Nijinsky) was a son of Northern Dancer and Flaming Page and a grandson of Nearco. ...