It might be the case. But on top of making the list, I can't also ask each person what speficic animal they're referring to everytime. They should specify their choice very clearly if they want their vote to be casted accordingly. For instance, I am from an European country myself and I've recently lived in another one, and when I looked for the word "elk" in google or wikipedia all the search results referred to Cervus canadensis. That country I lived in was France, where the Alces alces is called "élan".
Not directed at you KatrineB but I cannot put myself in the position of a Swiss, Bulgarian, Namibian, Argentinian, Cambodian, etc. person everyime someone posts a list. People should use the English most common 'agreed' name of the animal, and if there is not a clear one, people should specify. I've dealt with some (I guess very regional/local) animal names or mistranslations of which I had to do quite some research myself in order to know what specific species people are referring to. From top of my head I remember things like Moroccan gazelle, desert ostrich, sea cow, dendrolagus, Seneca white deer, miniature donkey, coney, woodchuck. These take me like 5x more time to add to the list because of the (sometimes fruitless) research and because they're not grouped together with the other votes of said animal when I sort all the votes in alphabetical order (to make it easier).