NeilyWorld      Canadian Listers' Corner


CANADIAN LISTERS' CORNER LISTING THRESHOLDS
(as of December 31, 2021)
Checklist species counts are based on official sources used by internet listing site BUBO, with appropriate reductions for extinct species. Species counts and threshold percentages and numbers are listed below. Thresholds for the major areas are those used by the ABA. Thresholds for Local Areas given, with Northern and other "difficult" areas less and larger or combination areas more.

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  BC AB SK MB ON QC NB PE NS NL YT NT NU SM Prairies Atlantic Maritimes North Canada ATPAT Local Areas Northern Areas
List 558 436 404 401 498 462 430 361 482 416 341 294 288 332 467 516 499 388 696 5371    
Life List % 50 50 50 50 50 50 50 40 50 40 40 40 30 40                
Life List 279 218 202 201 249 231 215 144 241 166 136 118 86 133 250 250 250 130 350 1000 150 120
Year List % 40 40 40 40 40 40 40 30 40 30 30 30 20 30                
Year List 223 174 162 160 199 185 172 108 193 125 102 88 58 100 200 200 200 100 280 640 120 80
Bigby % 36 36 36 36 36 36 36 27 36 27 27 27 18 27                
Bigby 201 157 145 144 179 166 155 97 174 112 92 79 52 90 180 180 180 90        
Day List % 30 30 30 30 30 30 30 20 30 20 20 20 15 20                
Day List 167 131 121 120 149 139 129 72 145 83 68 59 43 66 140 150 150 75        
Winter Life % 25 20 20 20 25 20 20 15 20 15 10 10 10 15                
Winter Life 140 87 81 80 125 92 86 54 96 62 34 29 29 50 120 150 150 40 170 500 80 65
Wint. Season % 23 18 18 18 23 18 18 14 18 14 9 9 9 14                
Winter Season 126 78 73 72 112 83 77 49 87 56 31 26 26 45 110 135 160 35 160 450 75 60
Single Wint. % 20 15 15 15 20 15 15 10 15 10 5 5 5 10                
Single Winter 112 65 61 60 100 69 65 36 72 42 17 15 14 33 70 110 110 25 135 350 60 45
Sin. Win. Sea. 100 59 55 54 90 62 58 32 65 37 15 13 13 30 65 100 100 20 120 315 55 40
CBC Life 100 59 55 54 90 62 58 32 65 37 15 13 13 30 65 100 100 20 120      
                                     
Best Years ATPAT                                       800    
Best Days ATPAT                                       640    
Best Winters ATPAT                                       350    

  Total Ticks ABSAT New ABA Old ABA AOS North America World Families USA Lower 48 County Combinations
List 28289 5705 1121 1042 2150 1995 10710 248 1055 907  
Life 4000 1000 500 500 1000 800 1000 100 500 500 180
Year 1000 800 400 400 800 600 800 90 340 340 150


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Last update:  December 30, 2021