Graph

Yellow-bellied Flycatcher
(Empidonax flaviventris)

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
19700.4520.3480.616
19710.5050.3960.673
19720.5140.4090.693
19730.5040.3980.663
19740.5490.4340.736
19750.4970.3910.646
19760.5060.3960.646
19770.5120.40.663
19780.4770.3750.615
19790.5660.4410.783
19800.5610.450.739
19810.5680.4510.759
19820.5360.4230.704
19830.6050.4740.815
19840.5940.4670.836
19850.5880.4540.777
19860.7590.5971.07
19870.6550.5210.874
19880.6540.5120.85
19890.6670.5270.873
19900.7420.5891
19910.7060.5630.975
19920.6680.5140.891
19930.8350.6451.32
19940.820.6421.21
19950.7880.6091.11
19960.8950.7021.32
19970.9780.7681.62
19980.8880.7141.22
19990.8520.661.13
20001.180.9151.71
20010.9810.7721.32
20020.9120.7031.17
20030.9810.761.26
20040.990.751.29
20051.090.841.54
20061.110.8641.53
20071.190.9441.57
20081.150.8671.48
20091.321.051.75
20101.230.9991.54
20111.351.071.77
20121.351.061.74
20131.451.161.85
20141.691.362.26
20151.781.422.34
20161.881.452.58

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