Graph

Great Horned Owl
(Bubo virginianus)

Breeding Bird Survey (BBS) - Canadian analysis

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

Geographic area or population: Lower Great Lakes / St. Lawrence Plain

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
19700.1050.0620.168
19710.1070.0680.166
19720.1080.0740.176
19730.0980.060.15
19740.0990.0650.152
19750.090.0510.134
19760.0960.0650.145
19770.0880.0530.13
19780.0910.0630.139
19790.0880.0590.137
19800.0850.0570.128
19810.0830.0560.125
19820.080.0530.123
19830.080.0560.124
19840.0740.0450.105
19850.0750.050.109
19860.0730.050.11
19870.0710.0480.103
19880.0720.050.121
19890.0680.0450.1
19900.0710.0510.116
19910.0670.0480.11
19920.0640.0460.096
19930.0630.0440.096
19940.0610.0420.088
19950.0590.0410.087
19960.0570.0370.084
19970.0540.0320.075
19980.0540.0380.083
19990.0560.0380.091
20000.0570.040.103
20010.050.0330.076
20020.0480.0310.068
20030.0490.0310.075
20040.0460.0290.072
20050.0450.0290.068
20060.0440.0280.066
20070.0440.0280.068
20080.0420.0250.064
20090.0410.0260.066
20100.040.0240.061
20110.0390.0230.062
20120.0380.0230.06
20130.0370.0220.058
20140.0370.0230.061
20150.0350.020.057
20160.0350.0210.059

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