Massasaugas (Sistrurus)

1
26
39
52
65
78
91
104
117
130
143
156
169
182
195+
Number of Records
Historical Range Map

Latest Records

Taxon
County
Date
Record 7531 voucher
Record #7531
Eastern Massasauga Rattlesnake
Van Buren County
2015-05-22
Record 7525 voucher
Record #7525
Eastern Massasauga Rattlesnake
Lenawee County
2015-05-21
Record 7524 voucher
Record #7524
Eastern Massasauga Rattlesnake
Lenawee County
2015-05-21
Record 7523 voucher
Record #7523
Eastern Massasauga Rattlesnake
Lenawee County
2015-05-21
Record 7522 voucher
Record #7522
Eastern Massasauga Rattlesnake
Lenawee County
2015-05-21
Record 7496 voucher
Record #7496
Eastern Massasauga Rattlesnake
Washtenaw County
2015-05-20
Record 7483 voucher
Record #7483
Eastern Massasauga Rattlesnake
Alcona County
2015-05-19
Record 7065 voucher
Record #7065
Eastern Massasauga Rattlesnake
Barry County
2015-05-06
Record 6873 voucher
Record #6873
Eastern Massasauga Rattlesnake
Barry County
2015-04-23
Record 6685 voucher
Record #6685
Eastern Massasauga Rattlesnake
Washtenaw County
2015-04-17
Record 6404 voucher
Record #6404
Eastern Massasauga Rattlesnake
Oakland County
2015-02-28
Record 6393 voucher
Record #6393
Eastern Massasauga Rattlesnake
Oakland County
2015-02-28
Record 6389 voucher
Record #6389
Eastern Massasauga Rattlesnake
Washtenaw County
2015-02-28
Record 6336 voucher
Record #6336
Eastern Massasauga Rattlesnake
Kalkaska County
2015-01-17
Record 6104 voucher
Record #6104
Eastern Massasauga Rattlesnake
Barry County
2014-10-03
Record 6067 voucher
Record #6067
Eastern Massasauga Rattlesnake
Crawford County
2014-09-22
Record 5984 voucher
Record #5984
Eastern Massasauga Rattlesnake
Oakland County
2014-09-02
Record 5963 voucher
Record #5963
Eastern Massasauga Rattlesnake
Van Buren County
2014-08-26
Record 5962 voucher
Record #5962
Eastern Massasauga Rattlesnake
Van Buren County
2014-08-26
Record 5904 voucher
Record #5904
Eastern Massasauga Rattlesnake
Barry County
2014-08-12
Record 5841 voucher
Record #5841
Eastern Massasauga Rattlesnake
2014-07-25
Record 5745 voucher
Record #5745
Eastern Massasauga Rattlesnake
Livingston County
2014-07-08
Record 5648 voucher
Record #5648
Eastern Massasauga Rattlesnake
Livingston County
2014-07-01
Record 5440 voucher
Record #5440
Eastern Massasauga Rattlesnake
Lenawee County
2014-06-19
Record 5020 voucher
Record #5020
Eastern Massasauga Rattlesnake
Livingston County
2014-05-13
Record 4957 voucher
Record #4957
Eastern Massasauga Rattlesnake
Kalamazoo County
2014-05-09
Record 4618 voucher
Record #4618
Eastern Massasauga Rattlesnake
Oakland County
2014-04-09
Record 4514 voucher
Record #4514
Eastern Massasauga Rattlesnake
Oakland County
2014-03-19
Record 4501 voucher
Record #4501
Eastern Massasauga Rattlesnake
Oakland County
2014-03-18
Record 4242 voucher
Record #4242
Eastern Massasauga Rattlesnake
Washtenaw County
2014-02-03
Record 4240 voucher
Record #4240
Eastern Massasauga Rattlesnake
Kalamazoo County
2014-02-03
Record 4241 voucher
Record #4241
Eastern Massasauga Rattlesnake
Kalamazoo County
2014-02-03
Oakland County
2014-02-03
Record 4030 voucher
Record #4030
Eastern Massasauga Rattlesnake
Leelanau County
2014-01-16
Record 3769 voucher
Record #3769
Eastern Massasauga Rattlesnake
Washtenaw County
2013-10-01
Record 3723 voucher
Record #3723
Eastern Massasauga Rattlesnake
Washtenaw County
2013-09-23
Record 3722 voucher
Record #3722
Eastern Massasauga Rattlesnake
Washtenaw County
2013-09-23
Record 3720 voucher
Record #3720
Eastern Massasauga Rattlesnake
Presque Isle County
2013-09-23
Record 3652 voucher
Record #3652
Eastern Massasauga Rattlesnake
Kalkaska County
2013-09-13
Record 3633 voucher
Record #3633
Eastern Massasauga Rattlesnake
Jackson County
2013-09-12
Record 3520 voucher
Record #3520
Eastern Massasauga Rattlesnake
Washtenaw County
2013-08-12
Record 3366 voucher
Record #3366
Eastern Massasauga Rattlesnake
Washtenaw County
2013-07-30
Record 3300 voucher
Record #3300
Eastern Massasauga Rattlesnake
Washtenaw County
2013-07-29
Record 3242 voucher
Record #3242
Eastern Massasauga Rattlesnake
Oakland County
2013-07-29
Record 3174 voucher
Record #3174
Eastern Massasauga Rattlesnake
Livingston County
2013-07-11
Record 2785 voucher
Record #2785
Eastern Massasauga Rattlesnake
Lenawee County
2013-05-10
Record 2784 voucher
Record #2784
Eastern Massasauga Rattlesnake
Kalkaska County
2013-05-10
Record 2783 voucher
Record #2783
Eastern Massasauga Rattlesnake
Barry County
2013-05-10
Record 2782 voucher
Record #2782
Eastern Massasauga Rattlesnake
Barry County
2013-05-10
Record 2781 voucher
Record #2781
Eastern Massasauga Rattlesnake
Barry County
2013-05-10