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Snakes and spiders in Rockland County, New York

Rockland County, home of New City, has 9 snake and 21 spider species on record, from 98 licensed snake and 411 spider records. Venomous species here: the timber rattlesnake and the eastern copperhead.

9snake species
21spider species
2venomous
Bitten in Rockland County? Call 911 for a venomous snakebite or any bite with trouble breathing. For advice on any bite or sting, call Poison Help at 1-800-222-1222 (free, 24/7, U.S.-wide). Do not cut the wound, suck out venom or use a tourniquet. General information, not medical advice. Do not handle or try to identify a snake or spider by this page; if unsure, treat it as venomous.

Are there venomous snakes or spiders in Rockland County?

Yes. The timber rattlesnake: 7 licensed records, 3% of all New York records of it. The eastern copperhead: 5 licensed records, 2% of all New York records of it.

What snakes are in Rockland County?

In all, 9 snake species are on the Rockland County list. The most recorded are the common garter snake (31), the northern water snake (24) and the eastern rat snake (22).

#SpeciesRecordsShare of New York records
1Common garter snake
Thamnophis sirtalis
311%
2Northern water snake
Nerodia sipedon
243%
3Eastern rat snake
Pantherophis alleghaniensis
2215%
4Timber rattlesnake venomous
Crotalus horridus
73%
5Eastern copperhead venomous
Agkistrodon contortrix
52%
6DeKay's brown snake
Storeria dekayi
41%
7Eastern racer
Coluber constrictor
21%
8Eastern milksnake
Lampropeltis triangulum
10%
9Ring-necked snake
Diadophis punctatus
——
Source: GBIF records located in Rockland County (GADM level 2), read 2026-09-29. Listed from records under any license; counts are CC0/CC BY only.

When are snakes out in Rockland County?

Observation records of snakes in Rockland County run mostly March through August, peaking in June with 32% of them, the same peak as New York as a whole.

January: 0 observation records (0%)JanFebruary: 0 observation records (0%)FebMarch: 2 observation records (2%)MarApril: 5 observation records (6%)AprMay: 23 observation records (27%)May27%June: 27 observation records (32%)Jun32%July: 11 observation records (13%)Jul13%August: 9 observation records (11%)Aug11%September: 1 observation record (1%)SepOctober: 5 observation records (6%)OctNovember: 1 observation record (1%)NovDecember: 0 observation records (0%)Dec

What spiders are in Rockland County?

In all, 21 spider species are on the Rockland County list. The most recorded are Paraphidippus aurantius (46), the zebra spider (35) and the orchard orbweaver (24).

#SpeciesRecordsShare of New York records
1
Paraphidippus aurantius
4632%
2Zebra spider
Salticus scenicus
3510%
3Orchard orbweaver
Leucauge venusta
248%
4Bold jumper
Phidippus audax
236%
5Spined micrathena
Micrathena gracilis
2113%
6Bronze jumper
Eris militaris
2011%
7Sixspotted orbweaver
Araniella displicata
1812%
8Nursery web spider
Pisaurina mira
167%
9Dark fishing spider
Dolomedes tenebrosus
136%
10Peppered jumper
Pelegrina galathea
1215%
11White-jawed jumping spider
Hentzia mitrata
1221%
12Putnam's jumper
Phidippus putnami
1032%
13Flea jumping spider
Naphrys pulex
75%
14Dimorphic jumper
Maevia inclemens
68%
15Parson spider
Herpyllus ecclesiasticus
67%
16
Dysdera crocata
44%
17Marbled orbweaver
Araneus marmoreus
37%
18Black laceweaver
Amaurobius ferox
27%
19Familiar jumping spider
Platycryptus undatus
21%
20Spotted orbweaver
Neoscona crucifera
23%
21Drumming sword wolf spider
Gladicosa gulosa
12%
Source: GBIF records located in Rockland County (GADM level 2), read 2026-09-29. Listed from records under any license; counts are CC0/CC BY only.

When are spiders out in Rockland County?

Observation records of spiders in Rockland County run mostly April through October, peaking in May with 28% of them; across New York the peak is August.

January: 3 observation records (1%)JanFebruary: 2 observation records (0%)FebMarch: 10 observation records (2%)MarApril: 25 observation records (6%)Apr6%May: 116 observation records (28%)May28%June: 65 observation records (16%)Jun16%July: 65 observation records (16%)Jul16%August: 54 observation records (13%)Aug13%September: 34 observation records (8%)Sep8%October: 26 observation records (6%)Oct6%November: 5 observation records (1%)NovDecember: 3 observation records (1%)Dec

What stands out in Rockland County

Species for which Rockland County holds a large share of all New York records: the Putnam's jumper, 32% (10 of 31); Paraphidippus aurantius, 32% (46 of 144); the white-jawed jumping spider, 21% (12 of 56); the peppered jumper, 15% (12 of 79).

Common in New York, not on the Rockland County list

Among the snakes most recorded across New York, these do not reach the county list: the red-bellied snake (270 statewide), the smooth green snake (131 statewide) and the eastern ribbonsnake (89 statewide). Few records here can mean the species is rare in the county, or that few people have looked.

Among the spiders most recorded across New York, these do not reach the county list: the wetland giant wolf spider (164 statewide). Few records here can mean the species is rare in the county, or that few people have looked.

Harmless lookalikes in Rockland County

Copperheads are on the county list, and so are harmless species often taken for them: the northern water snake, the eastern rat snake and the eastern milksnake. Cottonmouths are not on the New York list, but GBIF holds 1 cottonmouth record of any license in New York (northern cottonmouth 1): treat any snake like this as venomous until identified. Harmless species often taken for them here: the northern water snake. No coral snakes reach the county list, and GBIF holds no coral snake record for New York under any license, so one reported here is most likely a harmless lookalike: the eastern milksnake.

Rockland County among New York counties

By licensed snake records Rockland County ranks 13th of 61 New York counties with any.

Other New York counties with their own page: Ulster County, Tompkins County, Onondaga County, Suffolk County, Westchester County and Nassau County.

The whole state: venomous species in New York, all snakes, all spiders.

GBIF records read 2026-09-29. Listed: any license. Counted: CC0/CC BY only. How we count.

About these numbers

A species is listed for a state once GBIF holds at least 10 records of it located inside the state by coordinates, under any license. Every count, share, month and county shown is computed only from records published under CC0 or CC BY, so a listed species can show few or no counted records. Monthly patterns show when people record snakes and spiders, which also reflects when people are outdoors. Venomous status follows taxonomy: pit vipers and coral snakes; widow and recluse spiders; the Arizona bark scorpion. Records filed under older names count for the species they belong to today. Full methodology.