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Howard County Bird Club

A Chapter of the Maryland Ornithological Society (MOS)

Howard County BBA Results

The maps show the quarterblocks color-coded with the number of breeding species in each.
The first map includes Confirmed, Probable, Possible, and Observed. The second map does not include Observed.

The graphs show the number of breeding bird species in each blocks.
The first graph includes Confirmed, Probable, Possible, and Observed. The second graph does not include Observed.

See Second Maryland/DC Breeding Bird Atlas Project Handbook for an explanation of the breeding criteria and codes (availableon the MOS Atlas page).
Howard County Maps by Quarterblock Graphs by Block
Quarterblock-2006 (all) Block-2006 (all)
Quarterblock-2006 (no Observed) Block-2006 (no Observed)
LEGEND
ID: Tracking number assigned to Block Name
Block Name: 7 1/2-minute topographic map subdivided into sixths
Total: Total number of species for block Confirmed: Number of species that are confirmed breeders for block
Probable: Number of species that are probable breeders for block
Chart 1: Poss/Obs: Number of species that are possible breeders or have been observed in the block.
Chart 2: Possible: Number of species that are possible breeders for the block.
 % Co + Pr: percentage of species ranked as confirmed or probable breeders
All 4 Qblocks: number of species found in all four quarterblocks
% w/ 4 QB: percentage of species found in all four quarterblocks
QB1, QB2, QB3, QB4: Number of species in quarterblocks 1, 2, 3, 4
%: percentage of total in each quarterblock
Confirmed, Probable, Possible, & Observed
Quad     Quad  Name     Total Confirmed Probable Possible %Co + Pr All 4 Qblocks %All QB QB1 % QB2 % QB3 % QB4 %
0882 Damascus - NE 92 54 20 18 80% 44 48% 62 67% 77 84% 70 76% 58 63%
0884 Damascus - CE 93 67 23 3 97% 66 71% 81 87% 80 86% 85 91% 88 95%
0891 Woodbine - NW 90 56 22 12 87% 44 49% 66 73% 79 88% 61 68% 61 68%
0892 Woodbine - NE 87 57 16 14 84% 52 60% 74 85% 63 72% 70 80% 71 82%
0893 Woodbine - CW 87 51 18 18 79% 47 54% 65 75% 59 68% 67 77% 85 98%
0894 Woodbine - CE 91 64 18 9 90% 72 79% 86 95% 77 85% 84 92% 81 89%
0895 Woodbine - SW 99 71 23 5 95% 71 72% 88 89% 84 85% 82 83% 90 91%
0896 Woodbine - SE 98 77 13 8 92% 69 70% 78 80% 77 79% 90 92% 84 86%
0901 Sykesville - NW 88 60 22 6 93% 58 66% 73 83% 81 92% 77 88% 69 78%
0902 Sykesville - NE 91 60 22 9 90% 53 58% 67 74% 64 70% 74 81% 77 85%
0903 Sykesville - CW 89 63 14 12 87% 51 57% 69 78% 66 74% 79 89% 73 82%
0904 Sykesville - CE 102 78 13 11 89% 65 64% 82 80% 93 91% 79 77% 73 72%
0905 Sykesville - SW 85 61 13 11 87% 52 61% 65 76% 74 87% 65 76% 74 87%
0906 Sykesville - SE 94 71 7 16 83% 57 61% 69 73% 63 67% 89 95% 67 71%
0913 Ellicott City - CW 91 62 21 8 91% 55 60% 83 91% 78 86% 72 79% 67 74%
0914 Ellicott City - CE 88 58 11 19 78% 43 49% 79 90% 64 73% 69 78% 47 53%
0915 Ellicott City - SW 86 64 11 11 87% 54 63% 76 88% 65 76% 69 80% 74 86%
0916 Ellicott City - SE 81 56 13 12 85% 48 59% 63 78% 56 69% 71 88% 77 95%
1052 Sandy Spring - NE 94 59 26 9 90% 51 54% 83 88% 73 78% 64 68% 78 83%
1061 Clarksville - NW 83 53 16 14 83% 48 58% 64 77% 71 86% 66 80% 61 73%
1062 Clarksville - NE 93 74 9 10 89% 53 57% 71 76% 78 84% 81 87% 67 72%
1063 Clarksville - CW 92 61 26 5 95% 71 77% 88 96% 77 84% 83 90% 78 85%
1064 Clarksville - CE 86 61 15 10 88% 56 65% 78 91% 74 86% 62 72% 74 86%
1065 Clarksville - SW 95 70 13 12 87% 68 72% 72 76% 92 97% 74 78% 79 83%
1066 Clarksville - SE 91 66 17 8 91% 61 67% 72 79% 81 89% 78 86% 79 87%
1071 Savage - NW 91 65 8 18 80% 58 64% 83 91% 75 82% 71 78% 67 74%
1072 Savage - NE 87 61 17 9 90% 57 66% 66 76% 69 79% 71 82% 81 93%
1073 Savage - CW 94 64 13 17 82% 57 61% 65 69% 70 74% 73 78% 88 94%
1074 Savage - CE 85 63 8 14 84% 59 69% 69 81% 69 81% 79 93% 68 80%
1075 Savage - SW 93 59 16 18 81% 60 65% 88 95% 72 77% 76 82% 74 80%
1076 Savage - SE 82 61 6 15 82% 48 59% 72 88% 62 76% 66 80% 62 76%
1081 Relay - NW 107 78 9 20 81% 62 58% 87 81% 76 71% 85 79% 94 88%
1083 Relay - CW 94 57 21 16 83% 58 62% 70 74% 82 87% 75 80% 71 76%
1211 Laurel - NW 97 71 14 12 88% 56 58% 68 70% 88 91% 65 67% 82 85%

Confirmed, Probable & Possible
Quad     Quad  Name     Total Confirmed Probable Possible %Co + Pr All 4 Qblocks %All QB QB1 % QB2 % QB3 % QB4 %
0882 Damascus - NE 88 54 20 14 84% 44 43% 60 68% 73 83% 69 78% 56 64%
0884 Damascus - CE 92 67 23 2 98% 66 66% 80 87% 79 86% 84 91% 87 95%
0891 Woodbine - NW 87 56 22 9 90% 44 45% 64 74% 77 89% 59 68% 59 68%
0892 Woodbine - NE 84 57 16 11 87% 52 54% 72 86% 62 74% 68 81% 70 83%
0893 Woodbine - CW 83 51 18 14 83% 47 45% 62 75% 57 69% 63 76% 82 99%
0894 Woodbine - CE 88 64 18 6 93% 72 79% 83 94% 75 85% 82 93% 79 90%
0895 Woodbine - SW 98 71 23 4 96% 71 64% 87 89% 83 85% 81 83% 89 91%
0896 Woodbine - SE 95 77 13 5 95% 69 66% 77 81% 75 79% 89 94% 82 86%
0901 Sykesville - NW 86 60 22 4 95% 58 60% 71 83% 79 92% 75 87% 68 79%
0902 Sykesville - NE 88 60 22 6 93% 53 60% 67 76% 64 73% 73 83% 74 84%
0903 Sykesville - CW 87 63 14 10 89% 51 53% 67 77% 66 76% 78 90% 72 83%
0904 Sykesville - CE 96 78 13 5 95% 65 63% 78 81% 90 94% 78 81% 71 74%
0905 Sykesville - SW 82 61 13 8 90% 52 54% 62 76% 72 88% 64 78% 72 88%
0906 Sykesville - SE 91 71 7 13 86% 57 56% 68 75% 62 68% 86 95% 66 73%
0913 Ellicott City - CW 88 62 21 5 94% 55 58% 82 93% 75 85% 71 81% 66 75%
0914 Ellicott City - CE 82 58 11 13 84% 43 47% 74 90% 61 74% 65 79% 45 55%
0915 Ellicott City - SW 79 64 11 4 95% 54 62% 71 90% 62 78% 66 84% 69 87%
0916 Ellicott City - SE 78 56 13 9 88% 48 45% 60 77% 54 69% 68 87% 74 95%
1052 Sandy Spring - NE 91 59 26 6 93% 51 53% 81 89% 70 77% 62 68% 76 84%
1061 Clarksville - NW 79 53 16 10 87% 48 55% 62 78% 70 89% 63 80% 58 73%
1062 Clarksville - NE 87 74 9 4 95% 53 54% 67 77% 72 83% 77 89% 66 76%
1063 Clarksville - CW 89 61 26 2 98% 71 79% 85 96% 75 84% 81 91% 76 85%
1064 Clarksville - CE 82 61 15 6 93% 56 62% 74 90% 71 87% 59 72% 71 87%
1065 Clarksville - SW 89 70 13 6 93% 68 74% 68 76% 86 97% 71 80% 75 84%
1066 Clarksville - SE 87 66 17 4 95% 61 66% 70 80% 78 90% 75 86% 76 87%
1071 Savage - NW 80 65 8 7 91% 58 61% 76 95% 72 90% 67 84% 67 84%
1072 Savage - NE 83 61 17 5 94% 57 58% 63 76% 66 80% 67 81% 78 94%
1073 Savage - CW 85 64 13 8 91% 57 60% 63 74% 68 80% 68 80% 80 94%
1074 Savage - CE 78 63 8 7 91% 59 69% 65 83% 66 85% 73 94% 64 82%
1075 Savage - SW 86 59 16 11 87% 60 57% 82 95% 68 79% 72 84% 71 83%
1076 Savage - SE 77 61 6 10 87% 48 53% 68 88% 60 78% 63 82% 60 78%
1081 Relay - NW 97 78 9 10 90% 62 60% 84 87% 72 74% 82 85% 86 89%
1083 Relay - CW 88 57 21 10 89% 58 52% 68 77% 77 88% 71 81% 68 77%
1211 Laurel - NW 88 71 14 3 97% 56 59% 64 73% 80 91% 63 72% 77 88%