Graph

Red-tailed Hawk
(Buteo jamaicensis)

Breeding Bird Survey (BBS) - Canadian analysis

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

Geographic area or population: Canada

Graph showing the trend of the species through out the observed years
 
Listing of the threshold values that appear on the graph
Population below lowest acceptable levelGoal
0.586 0.871
Listing of the individual data points that make up the graph
YearAnnual IndexLower limitUpper limit
19700.6810.5820.802
19710.6570.5620.759
19720.6610.5750.755
19730.6490.5660.756
19740.660.5790.757
19750.6490.5630.742
19760.6740.5850.763
19770.7020.6230.804
19780.6650.5880.755
19790.6790.6010.77
19800.6770.6010.76
19810.680.6060.766
19820.7040.6310.792
19830.7250.6530.82
19840.7240.6480.81
19850.7110.6440.796
19860.7180.6470.798
19870.7440.6760.828
19880.7470.6810.837
19890.7350.6670.811
19900.7470.6840.83
19910.8010.7370.892
19920.7880.7240.87
19930.7950.7330.866
19940.8320.7630.926
19950.8040.7410.879
19960.7720.7160.846
19970.8210.7590.907
19980.8130.7530.885
19990.8260.7590.912
20000.8240.7650.903
20010.7950.7350.865
20020.8140.7570.896
20030.820.7550.894
20040.8080.7410.881
20050.8440.7830.928
20060.8320.7680.916
20070.8160.750.888
20080.8450.7790.918
20090.8590.7890.951
20100.8690.80.947
20110.9080.8381
20120.880.8110.965
20130.8230.7450.901
20140.8240.7460.907
20150.8560.7810.94
20160.8850.8040.976

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