Graph

Hairy Woodpecker
(Dryobates villosus)

Breeding Bird Survey (BBS) - Canadian analysis

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

Geographic area or population: Boreal Taiga Plains

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
19700.3610.2660.512
19710.3660.2690.516
19720.3660.2750.507
19730.3760.2820.516
19740.3760.2810.507
19750.3880.2910.521
19760.3880.2960.52
19770.3940.2980.529
19780.3910.2960.524
19790.3990.3090.515
19800.4050.3170.52
19810.4090.3230.521
19820.4190.3260.538
19830.4220.3340.551
19840.4320.3430.556
19850.4460.3580.579
19860.4330.3430.541
19870.4470.3610.566
19880.4550.3670.596
19890.470.3850.603
19900.4730.3890.616
19910.480.3940.609
19920.4850.4040.607
19930.4750.3930.594
19940.4970.4170.61
19950.5130.4240.7
19960.5110.4260.654
19970.4780.3830.576
19980.510.430.627
19990.5110.430.61
20000.5380.4540.663
20010.5180.4320.614
20020.5230.4360.627
20030.550.4620.663
20040.5670.4790.7
20050.5520.4620.677
20060.6130.5070.779
20070.5660.4770.676
20080.5620.460.689
20090.5770.4720.695
20100.570.4680.689
20110.6020.4850.76
20120.6030.4940.729
20130.6220.5020.831
20140.6660.5460.853
20150.6520.5340.806
20160.6640.5320.864

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