Graph

Anna's Hummingbird
(Calypte anna)

Picture of logo Christmas Bird Count (CBC)

Additional information on: Christmas Bird Count (CBC)

Geographic area or population: North America

Graph showing the trend of the species through out the observed years
 
Listing of the individual data points that make up the graph
YearAnnual IndexLower CIUpper CI
1965   
1966   
1967   
1968   
1969   
19703.342.514.44
19713.362.464.45
19723.552.654.69
19733.772.834.96
19744.013.055.32
19754.253.255.55
19764.463.415.88
19774.733.666.18
19784.723.616.14
19795.043.896.61
19805.284.086.93
19815.554.297.29
19825.94.557.77
19836.24.818.15
19846.354.918.25
19856.535.058.49
19866.985.49.22
19877.165.549.35
19887.425.779.77
19897.725.9910.2
19907.645.889.88
19917.665.859.92
19928.446.5411
19938.746.7611.3
19949.327.2412.1
19959.517.3712.3
19969.847.6112.7
199710.98.514.2
199811.18.6314.3
199911.79.1215.1
200012.29.515.8
200112.69.8416.3
200212.69.7516.2
200313.710.717.7
200414.511.318.6
200515.111.719.4
200616.412.821
200717.313.522
2008191524.2
200920.115.925.6
201020.41625.9
201123.718.829.8
201225.520.232.3

Notes on numeric data: Ex represents 10 to the power of x; For example 1.2345E-2 is equivalent to 0.012345