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The Mobile-Tensaw River Delta

Published Nov 10, 2007

The Mobile-Tensaw River Delta is our state's largest wetland and provides a vital habitat for many plants and animals. Rich soil deposited into the shallow bay areas by the Coosa, Tallapoosa, Black Warrior, Tombigbee and Alabama Rivers built the Delta.

The Delta is 10 miles wide, 40 miles long and includes 250,000 acres of marsh, cypress-tupelo swamp and bottomland hardwoods. It is the second largest river delta in the United States.

The Mobile-Tensaw Delta functions as a sponge, filtering impurities from 20% of the nation's fresh water.  The aquaria in this gallery are fresh water tanks, the largest of which depicts a cypress-tupelo swamp. Some exciting animals for your students to observe include the American alligator, turtles and a primitive, air-breathing fish called a gar.

Dauphin Island Estuarium

101 Bienville Blvd
Dauphin Island, AL 36528

Phone

(251) 861-7500
Toll Free: (866) 403-4409

Hours

Summer hours
March 1 - August 31
Monday to Saturday 9:00 am to 6:00 pm
Sunday 12:00 pm to 6:00 pm

Winter Hours
September 1- February 28/29
Monday to Saturday 9:00 am to 5:00 pm
Sunday 1:00 pm to 5:00 pm

The Estuarium at the Dauphin Island Sea Lab will be closed on the following days:
New Year's Day
Easter Sunday
Thanksgiving Day
Christmas Eve Day
Christmas Day
New Year's Eve Day

Admission

Adult $7.00
Children (5-18) or Students with ID $4.00
Seniors $6.00
Group rates available.

Website

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