Earlier quoted context omitted.
Incognito search in the UK here: 1st result: Wikipedia Duck 2nd: Wooden Ducks 3rd: BBC duck recipes 4th: Toilet duck cleaner 5th: BBC iplayer, Sarah and Duck It goes on. The only mention of duckduckgo on the first 5 pages is this recent news
Same experience here. I wonder if this is some kind of bug?
Duck doesn't mean very much in Germany, so there's little that competes with duck.com. In Britain duck has many other meanings.
If you search for an abbreviation that's commonly used as company name, you may find that Google's top result is the one near you, and that the eponymous company in Petrapavlovsk isn't listed.