The question is, is this meaningful or classifiable. Many other animal species have been around much longer or they have shorter life spans, so they've had many more opportunities to accumulate genetic variants. Penguins, for example, have twice as much genetic diversity as humans. Fruit flies have 10 times as much.
Who wore number 20 for Boston bruins? According to azhockey.com, the number 20 has been worn by 23 different Bruins players. In this decade, Darren Van Impe, Eric Manlow, Martin Lapointe, and Wayne Primeau have all worn 20. Players to wear the jersey in the 1980s-90s were Al Secord, Mike O'Connell, Dwight Foster, Tommy Lehmann, Bob...
In a recent interview Daniel Craig randomly started telling a story about how his Rolex he likes to wear is a Rolex Submariner Reference 6358 which he says is an exact replica of the one he remembers Sean Connery wearing in Goldfinger. One of the challenges is there is no such watch as a Rolex Reference Number 6358. I think somebody had a dyslexic moment (or a typo) and interposed 6358 with 6538. Sean Connery wore a Rolex Submariner [Reference number 6538]. For the record, the photo below is of Sean Connery starring as James Bond in Goldfinger.