Snakes and spiders in East Baton Rouge Parish, Louisiana

Yes. The northern cottonmouth: 66 licensed records, 15% of all Louisiana records of it. The eastern copperhead: 11 licensed records, 8% of all Louisiana records of it. The brown widow: 2 licensed records, 7% of all Louisiana records of it.

In all, 18 snake species are on the East Baton Rouge Parish list. The most recorded are the southern watersnake (140), the western ribbon snake (107) and the northern cottonmouth (66).

Observation records of snakes in East Baton Rouge Parish run mostly February through October, peaking in April with 25% of them, the same peak as Louisiana as a whole.

In all, 53 spider species are on the East Baton Rouge Parish list. The most recorded are the black-and-yellow argiope (78), the American golden orb weaver (76) and the twin-flagged jumping spider (53). East Baton Rouge Parish holds more than half of all Louisiana records of the tropical orb weaver, the two-lined stealthy ground spider, the dark fishing spider and the bronze jumper.

Observation records of spiders in East Baton Rouge Parish run through most of the year, peaking in April with 19% of them, the same peak as Louisiana as a whole.

Species for which East Baton Rouge Parish holds a large share of all Louisiana records: the two-lined stealthy ground spider, 77% (23 of 30); the bronze jumper, 70% (16 of 23); Pisaurina dubia, 62% (15 of 24); the heptagonal orbweaver, 54% (14 of 26); the dark fishing spider, 51% (18 of 35); the tropical orb weaver, 50% (33 of 66); the blacktailed red sheetweaver, 48% (15 of 31); the common garter snake, 45% (46 of 102).

Copperheads are on the county list, and so are harmless species often taken for them: the plain-bellied watersnake and the eastern rat snake. Cottonmouths are on the county list, and so are harmless species often taken for them: the southern watersnake, the diamondback water snake, the plain-bellied watersnake and the green water snake. Widow spiders are on the county list, and so are harmless species often taken for them: the triangulate bud spider and the common house spider. No recluse spiders reach the county list, but the brown recluse is on the Louisiana list: treat any spider like it as venomous until identified. Harmless species often taken for them here: the southern house spider.

By licensed snake records East Baton Rouge Parish ranks 1st of 64 Louisiana counties with any.

Other Louisiana counties with their own page: Saint Tammany Parish and Jefferson Parish.

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