Graph

Common Nighthawk
(Chordeiles minor)

Breeding Bird Survey (BBS) - Canadian analysis

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

Geographic area or population: Atlantic Northern Forest

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
19700.2480.150.399
19710.2340.1480.365
19720.290.1930.467
19730.2130.1270.332
19740.3010.1960.519
19750.2330.1490.371
19760.2230.1460.362
19770.2020.1280.318
19780.2340.1550.412
19790.2160.1340.372
19800.230.1520.39
19810.20.1340.329
19820.2140.140.371
19830.2120.1390.363
19840.1620.1040.253
19850.1970.1290.351
19860.1520.0940.259
19870.1990.1280.348
19880.2090.1280.402
19890.1940.1220.373
19900.1830.1160.351
19910.1370.0860.226
19920.1630.1040.33
19930.1290.0820.227
19940.0980.0550.156
19950.1230.0750.214
19960.0990.0580.165
19970.0970.0580.158
19980.0880.0520.141
19990.0910.0530.154
20000.0890.0530.145
20010.120.0750.229
20020.0870.0540.145
20030.0840.0510.138
20040.0860.0530.14
20050.0880.0520.156
20060.1050.0670.205
20070.0660.0390.11
20080.0650.0360.109
20090.0640.0370.106
20100.060.0340.099
20110.0580.0320.097
20120.0740.0450.138
20130.0650.0360.113
20140.0570.0330.102
20150.0770.0460.149
20160.0610.0360.113

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