Graph

Gray Catbird
(Dumetella carolinensis)

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
19700.2530.1420.408
19710.280.1760.476
19720.2730.1610.452
19730.350.230.589
19740.2980.190.46
19750.3250.2270.503
19760.320.2030.487
19770.330.2180.505
19780.320.2010.471
19790.3290.2080.485
19800.3710.2510.557
19810.3410.2070.493
19820.3510.2150.493
19830.350.2050.502
19840.3370.1810.5
19850.4120.2750.6
19860.3440.1820.519
19870.4290.2760.646
19880.4420.2760.653
19890.4620.2950.697
19900.4490.2790.66
19910.4410.2460.664
19920.4440.2410.656
19930.4620.2550.679
19940.5060.3080.76
19950.4970.2880.73
19960.6170.4090.949
19970.5870.3770.886
19980.5760.3440.854
19990.5580.3310.824
20000.5950.350.934
20010.730.4921.14
20020.6090.3430.953
20030.7340.4711.15
20040.7920.5191.25
20050.8740.5781.41
20060.8450.5531.35
20070.9630.6371.58
20080.8780.5831.38
20091.070.7031.81
20100.9720.6441.53
20110.8090.4721.29
20120.930.5651.48
20130.8950.5171.45
20140.8950.4991.49
20151.140.7271.9
20161.160.7021.99

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