Selkirk, Haldimand Bird Observatory Species Coverage

Species Coverage at
Selkirk, HBO

Index

This table presents a summary of the mean number of birds recorded by daily estimated totals (DET) (1999 only) and mean number of birds banded in each season at Selkirk (Haldimand Bird Observatory) from 1996-1999. Cells that contain a dash indicate that the species did not meet the minimum criteria in that season. This table only includes species for which an average of at least 10 individuals were recorded per season per year, on an average of at least 5 days. Species are sorted by priority of greatest need for migration monitoring, with ‘A’ the highest priority.

Migration
Trends

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		Spring		Fall
Species	Priority	Mean DET	Mean Band	Mean DET	Mean Band
Alder Flycatcher	A	-	-	14	14
American Pipit	A	-	-	910	0
Blackpoll Warbler	A	-	-	16	14
Cape May Warbler	A	-	-	10	6
Gray-cheeked Thrush	A	13	9.3	43	36
Lincoln's Sparrow	A	52.8	32.3	-	-
Magnolia Warbler	A	131.5	64.3	162	78
Northern Waterthrush	A	-	-	24	8
Savannah Sparrow	A	46.8	0.3	-	-
Swainson's Thrush	A	84.8	51.8	48	42
Tennessee Warbler	A	-	-	25	12
Wilson's Warbler	A	25.8	12.8	23	16
Yellow-bellied Flycatcher	A	-	-	19	17
Yellow-bellied Sapsucker	A	23	1.8	-	-
American Tree Sparrow	B	58.8	9.3	327	73
Common Redpoll	B	-	-	17	0
Fox Sparrow	B	-	-	19	5
Lapland Longspur	B	102.5	0	-	-
Myrtle Warbler	B	983.5	86	502	127
Ruby-crowned Kinglet	B	419.3	97	595	167
Rusty Blackbird	B	-	-	1241	0
Snow Bunting	B	-	-	32	0
Swamp Sparrow	B	175.3	32.5	365	23
Unidentified Dark-eyed Junco	B	361.5	84.5	270	118
Western Palm Warbler	B	275	13.5	25	13
White-crowned Sparrow	B	25.5	11	-	-
White-throated Sparrow	B	744.5	137	1379	44
American Redstart	C	32.3	13	87	40
Bank Swallow	C	65	0	16508	0
Barn Swallow	C	303	0	1447	0
Black-and-white Warbler	C	21	8	29	14
Black-throated Green Warbler	C	28.8	2.5	-	-
Canada Warbler	C	18.5	11	22	13
Chipping Sparrow	C	10.3	3	12	4
Common Yellowthroat	C	116	40.5	170	27
Eastern Kingbird	C	56.3	0	118	0
Least Flycatcher	C	46	14.3	38	8
Mourning Warbler	C	10.3	6.3	-	-
Ovenbird	C	92	47.3	50	37
Red-eyed Vireo	C	32	2.3	18	8
Solitary Vireo	C	-	-	11	6
Tree Swallow	C	503.5	0	84	0
Warbling Vireo	C	12.8	1.3	57	1
Yellow Warbler	C	559	33	299	59
American Crow	D	475	0	1097	0
American Robin	D	1331.3	57	3505	41
Belted Kingfisher	D	15.8	0	60	0
Black-capped Chickadee	D	459.5	11.3	1731	182
Brown Creeper	D	50.3	20.5	27	25
Cedar Waxwing	D	140.3	2.8	1279	19
Common Grackle	D	9952.5	9	46800	3
Downy Woodpecker	D	59	1.3	234	17
European Starling	D	15343.8	1	27974	0
Golden-crowned Kinglet	D	293.3	99.8	923	368
Hairy Woodpecker	D	12.5	0.3	34	2
Hermit Thrush	D	135	60.3	50	35
Horned Lark	D	134.5	0	155	0
Marsh Wren	D	46.5	3.5	128	2
Northern Flicker	D	190.5	5	166	2
Pine Siskin	D	-	-	297	0
Purple Finch	D	-	-	215	0
Red-breasted Nuthatch	D	34.5	1.5	89	12
Red-winged Blackbird	D	46741.8	20.3	795051	2
Song Sparrow	D	869.5	55.3	1687	193
Vesper Sparrow	D	53.5	1	11	0
Winter Wren	D	49	15.8	76	10
Baltimore Oriole	E	160.3	13.5	211	15
Black-billed Cuckoo	E	-	-	13	0
Black-throated Blue Warbler	E	38.8	12	40	25
Blackburnian Warbler	E	11.3	2.5	-	-
Blue-gray Gnatcatcher	E	13.8	0	13	0
Bobolink	E	131.3	0	1384	0
Chestnut-sided Warbler	E	13.5	5.3	18	6
Eastern Wood-Pewee	E	14.8	2.3	71	4
Gray Catbird	E	176.3	43.5	504	42
Great Crested Flycatcher	E	11.3	0.3	35	1
House Wren	E	38.5	10.5	73	20
Indigo Bunting	E	-	-	20	4
Nashville Warbler	E	40.8	12.8	77	48
Northern Rough-winged Swallow	E	70	0.5	722	0
Purple Martin	E	613.5	0	273	0
Rose-breasted Grosbeak	E	103.5	3.8	178	23
Ruby-throated Hummingbird	E	20.8	0	223	0
Veery	E	67.5	35.8	16	11
Willow Flycatcher	E	27.8	1	24	10
Wood Thrush	E	60.8	20.3	-	-
American Goldfinch	F	892.3	21.3	2407	16
Blue Jay	F	371.3	7	2802	34
Brown Thrasher	F	20.3	4.3	-	-
Brown-headed Cowbird	F	933.8	18	16	2
Eastern Bluebird	F	-	-	112	0
Eastern Meadowlark	F	69	0	11	0
Field Sparrow	F	23	4	-	-
House Finch	F	269.8	0	587	8
Mourning Dove	F	614.5	4.8	2560	3
House Sparrow	X	86.5	0	986	5
Northern Cardinal	X	384.8	9.5	795	22
Red-bellied Woodpecker	X	37.5	0.3	16	0
White-breasted Nuthatch	X	46.5	0.5	152	9

Priority Codes

The highest priority species for migration monitoring are those species that breed mainly in areas where they are not adequately covered by breeding ground surveys such as the Breeding Bird Survey. A secondary consideration is whether the species winter mainly south of the United States, and hence cannot be surveyed by winter surveys such as the Christmas Bird Count. On this basis, species in categories A-D are all important for migration monitoring, with species in category A the highest priority. The categories are defined as follows:

A. Species with <50% of North American (Canada & U.S. only) breeding range covered by BBS, and <60% of their winter range in U.S. and Canada.

B. Species with <50% of North American breeding range covered by BBS, but >60% of their winter range in U.S. and Canada.

C. Species with <60% of their Canadian & Alaskan breeding range (but >50% of North American range) covered by BBS, and <60% of their winter range in U.S. and Canada.

D. Species with <60% of their Canadian & Alaskan breeding range (but >50% of North American range) covered by BBS, but >60% of their winter range in U.S. and Canada.

E. Species with >60% of both their Canadian and North American breeding range covered by BBS, and <60% of their winter range in U.S. and Canada.

F. Species with >60% of both their Canadian and North American breeding range covered by BBS, and >60% of their winter range in U.S. and Canada.

X. Resident landbirds that are considered to be unsuitable candidates for migration monitoring.

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Species Coverage at Selkirk, HBO

Species Coverage at
Selkirk, HBO