On the Galapagos Islands, Darwin also saw several different types of finch, a different species on each island. ... Finches that ate small nuts and seeds had beaks for cracking nuts and seeds. Darwin noticed that fruit-eating finches had parrot-like beaks, and that finches that ate insects had narrow, prying beaks.
I know a couple ways that a bottle can be moved more remote and accelerate the time. One way is a sure ebb and flow or something as a water compel pushes it or conveys it more distant and speedier. e.g; Tsunami
You can give the German Shepherd, Great Dane, Irish Setter and the Husky a classification name of Dogs
While the rest : Parrot, Canary, Robin and pigeon a classification name of birds
You can give both groups a classification name of : 2 eyes or Animals
Have a great day!