Butterfly sighting

Mike Reese

Location: Spring Green Preserve and Highway 60
Sauk County

☆ = New county sighting record

These sightings are submitted by butterfly enthusiasts across Wisconsin.

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2021 sightings

Mar 30
Apr 157
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Aug 317
Sep 153
Oct 99
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Dec 1

2020 sightings

Mar 12
Apr 86
May 283
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Aug 397
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Oct 61
Nov 25
Dec 1

2019 sightings

Mar 5
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Aug 437
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2018 sightings

Mar 7
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May 196
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Aug 349
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Oct 64
Nov 2

2017 sightings

Feb 7
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Apr 186
May 206
Jun 323

Jul 311
Aug 311
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Oct 133
Nov 7

2016 sightings

Feb 2
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Apr 152
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Jul 354
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2015 sightings

Mar 17
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Aug 160
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2014 sightings

Mar 1
Apr 60
May 258
Jun 295
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Aug 265
Sep 143
Oct 79
Nov 5

2013 sightings

Mar 1
Apr 45
May 157
Jun 248
Jul 258

Aug 222
Sep 130
Oct 78
Nov 8

2012 sightings

Mar 115
Apr 232
May 368
Jun 373
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Aug 203
Sep 139
Oct 69
Nov 9
Dec 1

2011 sightings

Mar 4
Apr 43
May 117
Jun 250
Jul 283

Aug 330
Sep 124
Oct 114
Nov 18

2010 sightings

Mar 28
Apr 100
May 178
Jun 152
Jul 212

Aug 211
Sep 113
Oct 79
Nov 11

2009 sightings

Mar 10
Apr 62
May 121
Jun 146
Jul 133

Aug 81
Sep 48
Oct 16
Nov 9

2008 sightings

Mar 3
Apr 48
May 89
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Aug 143
Sep 67
Oct 38
Nov 3

2007 sightings

Mar 7
Apr 28
May 74
Jun 129
Jul 110

Aug 85
Sep 67
Oct 52
Nov 9

2006 sightings

Mar 4
Apr 22
May 53
Jun 67
Jul 52

Aug 25
Sep 18
Oct 9
Nov 1

2005 sightings

Mar 1
Apr 7
May 6
Jun 12
Jul 28

Aug 29
Sep 7
Oct 8
Nov 1