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: 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
19700.2240.1980.262
19710.2180.1950.256
19720.2220.1990.259
19730.2180.1960.256
19740.2130.1930.243
19750.2090.1880.239
19760.2130.1920.244
19770.210.190.237
19780.2090.190.235
19790.2070.1880.233
19800.2040.1860.23
19810.2110.1920.239
19820.2080.190.231
19830.210.1930.234
19840.2090.1920.237
19850.2070.190.23
19860.20.1840.22
19870.2210.1970.369
19880.2030.1870.23
19890.2030.1880.223
19900.1990.1840.223
19910.1950.180.214
19920.2040.1890.224
19930.1940.180.213
19940.1970.1820.215
19950.1880.1750.207
19960.1920.1780.212
19970.1880.1760.205
19980.1830.1710.199
19990.1860.1720.202
20000.1920.1780.21
20010.1920.1770.215
20020.1830.170.207
20030.1840.170.2
20040.1840.170.2
20050.1790.1660.195
20060.1820.1680.198
20070.180.1660.196
20080.1770.1640.192
20090.1880.1730.208
20100.1780.1630.193
20110.180.1660.197
20120.1790.1650.195
20130.1780.1640.196
20140.1840.1690.204
20150.1820.1660.2
20160.1870.1710.207

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