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 2011"; 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 15. Species seen by Leif Frederiksen are marked with an 'X' in the left side of the list.
1 Taiga Bean Goose 1 2 Mandarin Duck 1 3 King Eider 1 4 Stejneger's Scoter 1 5 Whiskered Tern 1 6 Great Spotted Cuckoo 1 7 Blyth's Reed Warbler 1 8 Western Subalpine Warbler 1 9 Bar-headed Goose 2 10 Melodious Warbler 2 11 Eurasian Stone-curlew 3 12 Atlantic Puffin 4 13 Western Bonelli's Warbler 4 14 Balearic Shearwater 5 15 Eurasian Hoopoe 5 16 Red-rumped Swallow 6 17 Booted Eagle 7 18 Boreal Owl 7 19 Siberian Stonechat 7 20 Collared Flycatcher 7 21 Ruddy Shelduck 8 22 Rosy Starling 8 23 Parrot Crossbill 9 24 X Short-toed Snake Eagle 10 01-09-2011 Mandehoved, Stevns 25 Great Snipe 10 26 Citrine Wagtail 10 27 Spotted Nutcracker 10 28 Manx Shearwater 11 29 Common Nightingale 11 30 X Greenish Warbler 11 12-06-2011 Klinteskoven, Møns klint 31 X European Storm Petrel 12 06-10-2011 Blåvandshuk, Nordhugget 32 Lesser Spotted Eagle 12 33 X European Roller 12 02-06-2011 Gedesby skov, Gedser 34 Green-winged Teal 13 35 X Lesser Yellowlegs 13 05-07-2011 Lundemosen, Keldsnor, Langeland 36 Western Barn Owl 14 37 X White-winged Scoter 15 21-02-2011 Blåvands huk 38 X Bonelli's Eagle 15 21-05-2011 Bøtø Nor, Falster 39 Tawny Pipit 15 40 Dusky Warbler 15
Leif Frederiksen have ticked 280 species at the ranking "Danske årsarter 2011". 7 of these are blockers.