NeilyWorld Canadian Listers' Corner

CANADIAN LISTERS' CORNER LISTING THRESHOLDS
(as of December 31, 2022)
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 % 25 25 25 28 30 25 25 20 25 20 20 20 15 20

Day List 140 109 101 112 149 116 108 72 121 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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Birding Ottawa Guide

Birding Links (4000+)

	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 %	25	25	25	28	30	25	25	20	25	20	20	20	15	20
Day List	140	109	101	112	149	116	108	72	121	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