Graph

Trumpeter Swan
(Cygnus buccinator)

North American Trumpeter Swan Survey

Geographic area or population: Pacific coast population

Graph showing the trend of the species through out the observed years
 
Listing of the individual data points that make up the graph
YearAbundance95% Lower Confidence Interval95% Higher Confidence Interval
198535  
199075  
1995302  
2000294  
2005867786.64947.36
20101141564.761717.24
201522251370.443079.56

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