Graph

Rusty Blackbird
(Euphagus carolinus)

Breeding Bird Survey (BBS) - Canadian analysis

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

Geographic area or population: North America

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
19700.710.3991.53
19710.6520.3681.36
19720.6190.3531.22
19730.6480.3761.42
19740.6520.3811.41
19750.5960.3561.16
19760.5760.3451.15
19770.580.3551.14
19780.530.3191.03
19790.5150.3181.02
19800.490.3081.01
19810.4730.290.892
19820.4850.3020.988
19830.4540.2910.847
19840.4460.2810.829
19850.4250.2730.777
19860.430.2830.771
19870.410.2680.671
19880.3970.2620.659
19890.3810.2580.618
19900.4070.2760.725
19910.3720.260.61
19920.3660.2520.639
19930.3610.2510.662
19940.3320.2340.524
19950.3470.2480.613
19960.3210.2290.492
19970.3440.240.876
19980.3140.2280.48
19990.2980.2080.452
20000.3010.2160.475
20010.2960.2210.472
20020.2750.1920.42
20030.2860.2050.559
20040.2770.2020.439
20050.2660.1960.386
20060.2560.180.396
20070.2520.1790.372
20080.250.1770.372
20090.2520.180.384
20100.2530.1780.42
20110.2380.1590.378
20120.2430.1670.383
20130.2380.1640.413
20140.2370.1610.438
20150.2360.1610.372
20160.2310.1580.387

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