1. 2014 was the year with the most individual observations with a total of of 211249.

2. In 2014 there were 210 species observed.

3. Missouri had the most total observations of 596 red-winged blackbirds.

4. Average observation

Year Mean Duration Per Year
2003 0.03055556
2004 0.06268452
2009 0.13333333
2013 0.18666667
2014 0.30391086
2015 0.27567568
2016 0.29675926
2017 0.38439606
2018 0.29077242
2019 0.25301860
2020 0.50292476
2021 0.26699252
2022 0.44163576

Bird list