We saw several dolphins. They are the Alantic Bottlenose dolphin. In the bay they weigh about 300 pounds. A dolphin is like a goldfish in that it grows to the size of the environment. In the ocean, they get up to 600 pounds. They are mammals. They come up for air. If they get scared, they can hold their breath for 20 minutes underwater. The baby is born in the water. The mother guides it to the surface for air. A baby nurses from and swims beside it's mother for 3 years. I did see a couple moms and babies. They are in perfect form together when they come up. Dolphins make funny high pitched, squeaking noises. When they surfaced, I could hear them. The water they were in was about 20 -30 feet deep.
The center of the channel was being dregged out to make it 60 feet deep so the oil tanker ships can get through to the Port of Brownsville.
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