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Virginia Breeding Bird Atlas 2
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Virginia Breeding Bird Atlas 2
Atlas Effort:
Diurnal effort hours
Nocturnal effort hours
Complete checklists
Confirmed species
Coded species
More
Date:
Year-round
All Months
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Location:
Zoom Tool
Map Type
Terrain
Street
Satellite
Hybrid
Diurnal effort hours
40+
30 - 40
20 - 30
15 - 20
10 - 15
5 - 10
>0 - 5
Nocturnal effort hours
3+
2.5 - 3
2 - 2.5
1.5 - 2
1 - 1.5
0.5 - 1
>0 - 0.5
Complete checklists
100+
50 - 100
30 - 50
20 - 30
10 - 20
5 - 10
1 - 5
Confirmed species
60+
50 - 60
40 - 50
30 - 40
20 - 30
10 - 20
1 - 10
Coded species
100+
80 - 100
60 - 80
40 - 60
20 - 40
10 - 20
1 - 10
Species observed
60+
50 - 60
40 - 50
30 - 40
20 - 30
10 - 20
1 - 10
Priority blocks
Show complete blocks
Effort types
Diurnal effort hours
: Diurnal hours is the sum of the eBird checklist hours for checklists during daylight, by atlas block.
Nocturnal effort hours
: Nocturnal hours is the sum of the eBird checklist hours for checklists during the night, by atlas block.
Complete checklists
: Complete checklists is the number of complete checklists submitted to the atlas, by atlas block.
Confirmed species
: Confirmed species is the number of species confirmed as breeding, by atlas block.
Coded species
: Coded species is the number of species recorded with any breeding code, by atlas block.