Mike's Solo Photo Big Day results:

Year (click
for photos)
2011
2012
2013
2014
2015
2016
2017
2018
​2019

Date
4/30/11
5/12/12
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--
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4/30/16
4/29/17
5/12/18
​5/11/19

Birds
photographed
23
44
--
--
--
73
86
96
​

Birds missed
(IDed, but no photo)
--
--
--
--
--
4
5
6
​

2018 details 
2019 details