American Oystercatcher

The American oystercatcher can be found around the coastal areas of North, South, and Central America as well as the Caribbean. They eat primarily shellfish, crustaceans, and other aquatic invertebrates. To catch their prey they typically stab their beak into a partially open shellfish before it can close its shell. Since they rarely travel very far inland their nest consists of a scrape located at a higher spot on the beach.

Tuesday Tweets

 The American oystercatcher lives in the coastal waters of North, South and Central America. In North America the American Oystercatcher is divided into two separate populations. The Atlantic birds range New England down through out the Atlantic Coast and the west across the Gulf Coast and into Texas, which is where I photographed this bird. The Pacific birds range from Baha California down the Pacific coast of Mexico and into the coastal waters of Central America. Oystercatcher can usually be sound searching in the surf for marine invertebrates to eat. Their large thick beak is an excellent tool for prying open oyster shells which is how they got their name.

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Bahia Grande

On our way to the airport on the final day of our Texas trip we passed by the Carl Gayman Bahia Grande Restoration Channel. The Bahia Grande was once a large salt water lagoon located at the south east tip of Texas. This lagoon consisted of numerous habitats, such as tidal flats, mangrove marshes and sea grass shallows, that formed a type of tidal nursery where young fish, shrimp and crabs, and other marine life could find protection while they grew.
In the 1930's the Brownsville Ship Channel was created. This 15 mile long channel connects the port of Brownsville to the ocean. Because the port is inland it is better protected from hurricanes and tropical storms. Unfortunately when they were dredging the channel they piled most of the dredged materials, mostly rock, mud and sand, on the side of the channel. This acted as a sort of damn cutting off the Bahia Grande from the waters of the Laguna Madre.

With any regenerating supply of water, the only water coming from occasional rain storms, the land dried up. As the remaining water evaporated it left the salt behind which killed off the vegetation. Over the decades the area became a baron dust bowl, with dust blowing into the neighboring communities.

The Bahia Grande eventually came under the domain of the US Fish and Wildlife Service and it is now a part of the Laguna Atascosa National Wildlife Refuge. The Fish and Wildlife Service along with other state, local and private groups have begun a plan to try and restore the Bahia Grande. Channels like this one have been dug from the ship channel out into the Bahia Grande. This is the pilot channel and it is 60 feet wide by 2,300 feet long. It is named for the Carl "Joe" Gayman who was a Brownsville Navigational District commissioner who dug a small channel in 1983 in an attempt to flood the Bahia, but was forced by court order to close the channel a few weeks after it had been dug.

Since much of the the Bahia Grande's 10,000 acres is below sea level the hope is that the channels will provide enough fresh sea water to revive it and return it back to its original form. Already marine life has begun to take hold again which has brought many birds back to the area. Dusty arid soil has been renewed and native vegetation has begun to grow in areas that are not flooded.

We stopped mostly because I spotted brown and white pelicans together in the water. I have seen both types of pelicans but I had never seen them together like this so I found it interesting. However I was really surprised when I found a pair of American oystercatcher near the shore on my way back to the car. From a distance I at first thought that they were just another pair of laughing gulls but when I saw that bright orange bill I knew that I was looking at another lifer.