Graph

Pileated Woodpecker
(Dryocopus pileatus)

Breeding Bird Survey (BBS) - Canadian analysis

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

Geographic area or population: Prairie Potholes

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
19700.0110.0050.024
19710.0110.0050.024
19720.0110.0050.024
19730.0120.0050.025
19740.0120.0060.027
19750.0120.0060.026
19760.0130.0060.025
19770.0130.0060.026
19780.0140.0070.027
19790.0140.0070.026
19800.0140.0070.027
19810.0150.0080.03
19820.0160.0090.033
19830.0160.0090.031
19840.0160.0080.03
19850.0170.0090.03
19860.0170.0090.031
19870.0180.0090.033
19880.0180.010.032
19890.0190.010.031
19900.0210.0120.042
19910.0220.0130.04
19920.0220.0130.04
19930.0230.0130.04
19940.0230.0140.038
19950.0250.0150.044
19960.0240.0140.038
19970.0250.0140.04
19980.0260.0160.044
19990.0280.0180.049
20000.030.0180.049
20010.0330.0220.061
20020.030.0170.049
20030.0320.020.051
20040.0310.0170.048
20050.0330.0190.052
20060.0340.020.054
20070.040.0260.07
20080.040.0250.067
20090.0350.0180.055
20100.0480.0290.099
20110.0450.0280.08
20120.0450.0270.075
20130.0430.0230.071
20140.0490.0270.083
20150.0540.0330.098
20160.0510.0270.086

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