Presented by Colorado Bird Atlas Partnership:

The Second Colorado Breeding Bird Atlas


Highest Reported Species Results

Top 30 Species Reported in the Highest Number of Priority Blocks during the Second Colorado Breeding Bird Atlas (2007–2012).

Species # of Priority Blocks % of Priority Blocks Reported Atlas II Rank Atlas I Rank
Mourning Dove 1,393 80% 1 2
American Robin 1,382 79% 2 1
Red-tailed Hawk 1,232 71% 3 6
Western Meadowlark 1,144 66% 4 3
Brown-headed Cowbird 1,136 65% 5 5
Northern Flicker 1,129 65% 6 4
Common Raven 984 56% 7 20
Western Kingbird 971 56% 8 15
Red-winged Blackbird 968 55% 9 8
Western Wood-Pewee 968 55% 9 19
Horned Lark 961 55% 11 11
Barn Swallow 959 55% 12 9
Chipping Sparrow 923 53% 13 24
Lark Sparrow 907 52% 14 26
House Wren 900 52% 15 12
American Kestrel 897 51% 16 13
Violet-green Swallow 877 50% 17 21
Say’s Phoebe 854 49% 18 a
Broad-tailed Hummingbird 852 49% 19 17
Mountain Bluebird 846 48% 20 16
European Starling 830 48% 21 23
Killdeer 803 46% 22 7
Yellow Warbler 796 46% 23 28
Bullock’s Oriole 796 46% 23 27
Common Nighthawk 782 45% 25 10
Cliff Swallow 775 44% 26 30
Mountain Chickadee 758 43% 27 22
Mallard 757 43% 28 18
Warbling Vireo 751 43% 29 a
Swainson's Hawk 739 42% 30 a

a Species not in the Top 30 during Atlas I