21. The atlas was the first to present grid-square distribution maps for all breeding birds at a Europe-wide level. 22. See external link for distribution map . 23. The US government distribution maps for this species are incorrect concerning the southern limit of distribution in Florida. 24. Dot distribution maps , through their simple and effective displays, are becoming the standard for such on-the-fly mapping services. 25. Dot distribution maps also have disadvantages. 26. At the request of another user, I have provided a distribution map and standardized / styled the references. 27. He published extensive accounts on the flora of several of these regions and distribution maps of thousands of species. 28. Several websites allow users to submit lists of birds seen, while others collate and produce seasonal statistics, distribution maps . 29. Almost all ( maybe all ) distribution maps for Chimney Swifts ( CHSW ) in dead tree references are out-of-date. 30. The distribution map gives only an " approximation " of the Paralysis Tick's distribution as the situation is not static.