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 2012"; 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 17. Species seen by Leif Frederiksen are marked with an 'X' in the left side of the list.
1 Pacific Loon 1 2 Taiga Bean Goose 1 3 King Eider 1 4 Eleonora's Falcon 1 5 Great Snipe 1 6 Siberian Stonechat 1 7 Rufous-tailed Robin 2 8 Eastern Subalpine Warbler 2 9 Balearic Shearwater 3 10 Black-crowned Night Heron 3 11 X Glossy Ibis 3 21-10-2012 Bøtø nor, Nørresø 12 Lesser White-fronted Goose 3 13 Tawny Pipit 3 14 Swainson's Thrush 3 15 Black-winged Kite 4 16 Olive-backed Pipit 4 17 Dusky Warbler 4 18 X Lesser Spotted Eagle 5 12-09-2012 Mandehoved, Stevns 19 Gull-billed Tern 5 20 Atlantic Puffin 5 21 Blue-winged Teal 6 22 Booted Eagle 6 23 Citrine Wagtail 6 24 Cory's Shearwater 7 25 Radde's Warbler 7 26 Eurasian Stone-curlew 8 27 Terek Sandpiper 8 28 Pallas's Leaf Warbler 8 29 Little Bunting 8 30 X Western Cattle Egret 9 27-04-2012 Ålebæk strand, Møn 31 X Pallid Swift 9 23-11-2012 Gilbjerg, Gilleleje 32 Manx Shearwater 10 33 Mandarin Duck 10 34 X Marsh Sandpiper 10 01-09-2012 Ølundgård inddæmning, Otterup 35 Bonaparte's Gull 10 36 X Eurasian Hoopoe 10 23-11-2012 Rødvig havn 37 Black-throated Thrush 10 38 Red-rumped Swallow 11 39 X Great Reed Warbler 11 12-05-2012 Røgbølle sø, Lolland 40 X Arctic Warbler 11 15-09-2012 Gedser Odde, (Fyrhaven) 41 X American Wigeon 13 02-11-2012 Hornbæk enge, Gudenå 42 Surf Scoter 14 43 Western Barn Owl 14 44 X Black Scoter 15 06-03-2012 Asserbo Strand 45 X White-winged Tern 15 22-05-2012 Tissø, enge i Syd 46 X Pine Grosbeak 15 16-11-2012 Korshage, Odsherred 47 Leach's Storm Petrel 16 48 X Blyth's Pipit 16 26-11-2012 Grenen, Skagen 49 X Red-throated Pipit 16 17-09-2012 Sydvestpynten, Vestamager
Leif Frederiksen have ticked 278 species at the ranking "Danske årsarter 2012". 14 of these are blockers.