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Massachusetts

Top counties

Top regions sorted by number of checklists
Rank Region Species Checklists Checklists
1 Middlesex
353
250,295
2 Essex
434
239,060
3 Barnstable
434
220,366
4 Hampshire
332
124,003
5 Worcester
342
97,741
6 Plymouth
395
96,811
7 Norfolk
350
90,765
8 Suffolk
356
89,857
9 Berkshire
310
70,165
10 Bristol
378
62,998
11 Franklin
315
40,419
12 Nantucket
388
35,247
13 Hampden
301
33,044
14 Dukes
387
15,557