Graph

Hairy Woodpecker
(Dryobates villosus)

Breeding Bird Survey (BBS) - Canadian analysis

Additional information on: Breeding Bird Survey (BBS) - Canadian analysis

Geographic area or population: Northern Rockies

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 limitUpper limit
19700.4650.3050.666
19710.4690.3090.68
19720.4790.3270.694
19730.4830.3310.685
19740.4890.3390.694
19750.5750.4260.831
19760.4940.3290.669
19770.6090.4530.941
19780.5080.3430.671
19790.5880.4410.852
19800.5580.4020.754
19810.560.40.759
19820.560.3970.741
19830.5610.3850.743
19840.5620.3880.735
19850.6520.4960.964
19860.6290.460.875
19870.6260.4420.853
19880.6030.4160.79
19890.6920.5340.997
19900.7010.5430.96
19910.7030.5330.98
19920.6830.5220.921
19930.6580.4660.841
19940.7670.611.09
19950.6830.4880.872
19960.7110.5130.909
19970.6990.4970.877
19980.7690.5991.02
19990.7620.5830.996
20000.7840.6091.01
20010.7820.5891.01
20020.7680.5740.97
20030.8140.6181.05
20040.7260.5050.91
20050.860.681.12
20060.8660.6571.11
20070.9750.7751.32
20080.8930.6861.17
20090.9030.691.2
20101.040.8151.49
20110.9440.7271.26
20120.8390.5621.09
20130.9410.681.27
20140.9780.7291.33
20150.9890.7471.3
20161.040.781.4

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