Graph

American Goldfinch
(Spinus tristis)

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
19700.4590.1661.79
19710.4930.1921.84
19720.440.1611.66
19730.3330.1351.19
19740.4150.1761.39
19750.3780.1671.24
19760.3210.1371.1
19770.3880.171.32
19780.4830.211.65
19790.4080.1791.34
19800.4860.2171.59
19810.4640.2021.51
19820.3450.1531.13
19830.380.1671.25
19840.3790.1681.27
19850.3170.1381.05
19860.4910.2161.67
19870.3940.1741.31
19880.3780.1671.25
19890.3350.151.11
19900.4330.191.46
19910.4250.1891.45
19920.6090.2592.17
19930.3910.1731.34
19940.440.1871.55
19950.5280.2291.85
19960.2710.1160.888
19970.1740.0710.585
19980.2950.1291.01
19990.290.1230.976
20000.220.0840.777
20010.3220.1271.18
20020.2990.1131.12
20030.2580.091.05
20040.3070.1181.13
20050.1670.0620.602
20060.1790.0670.632
20070.8240.3163.26
20080.3330.1351.2
20090.250.0940.959
20100.3480.1371.28
20110.2570.1030.941
20120.340.1291.34

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