Herunder er det muligt at vælge blandt en række andre artslister. Bl.a. diverse regionsartslister, årsartslister etc.
Below is a list with the least 'ticked' species by members of the "Danske årsarter 2013"; the so-called 'blockers'. Blockers is here defined to be species seen by a maximum of 10% of the members. However no less than 5 and no more than 85 members of the ranking. The number to this ranking is sat to a maximums of 16. Species seen by Leif Frederiksen are marked with an 'X' in the left side of the list.
1 Pacific Loon 1 2 Purple Heron 1 3 Black Swan 1 4 Green-winged Teal 1 5 Eastern Subalpine Warbler 1 6 Rosy Starling 1 7 Pine Grosbeak 1 8 Balearic Shearwater 2 9 American Golden Plover 2 10 Tawny Pipit 2 11 Citrine Wagtail 2 12 Leach's Storm Petrel 3 13 Taiga Bean Goose 3 14 Lesser White-fronted Goose 3 15 Bar-headed Goose 3 16 Sabine's Gull 3 17 Atlantic Puffin 3 18 Hume's Leaf Warbler 3 19 Radde's Warbler 3 20 Black-winged Kite 4 21 Baillon's Crake 4 22 Blyth's Reed Warbler 4 23 Rustic Bunting 4 24 Cory's Shearwater 5 25 Manx Shearwater 5 26 Surf Scoter 5 27 Great Snipe 6 28 Common Nightingale 6 29 Steller's Eider 7 30 X Siberian Stonechat 7 18-10-2013 Højerup, Stevns 31 X Iberian Chiffchaff 7 10-05-2013 Spodsbjerg, Hundested 32 Western Barn Owl 8 33 X Booted Eagle 9 11-09-2013 Bøgeskov havn 34 Little Bunting 9 35 X Red-rumped Swallow 10 19-05-2013 Husmændenes sø, Ulvshale, Møn 36 American Wigeon 12 37 Olive-backed Pipit 12 38 Ortolan Bunting 12 39 X Red-breasted Goose 13 17-10-2013 Vest Stadil fjord 40 X Buff-breasted Sandpiper 13 19-05-2013 Klydesøen, Vestamager 41 Pallid Swift 13 42 Eurasian Stone-curlew 14 43 Pallas's Leaf Warbler 15 44 X Marsh Sandpiper 16 10-06-2013 Klydesøen, Vestamager
Leif Frederiksen have ticked 277 species at the ranking "Danske årsarter 2013". 7 of these are blockers.