Naturally Kiawah Guest Edition 2014 | Page 59

Become an Environmental Steward T oday! may make each participating pelican more successful. American white pelicans engage in an even more elaborate form of cooperative feeding as they forage on lakes and ponds for perch, chub, trout and carp. They line up in a semicircle and move forward with their beaks in the water, driving the fish in front of them, and gradually closing the circle until they have trapped their prey in the center. On other occasions, they may form a line and drive the fish toward shore for easier capture. Choice of food has played an interesting role in the brown pelican’s conservation story. Early in the twentieth century, when feathered hats went out of fashion and the pelican was no longer hunted for that purpose, fishermen began shooting them, attributing declining fish stocks to pelican competition. In an effort to protect the birds, a group of ornithologists conducted a study and were able to demonstrate that brown pelicans primarily consumed fish of low commercial value: largely menhaden, and some anchovies, and sardines. While pelicans again had a temporary reprieve, the increasing use of pesticides and their deleterious impact on pelican eggs and reproduction led to the placement of brown pelicans on the Endangered Species list in 1970. The U.S. Fish and Wildlife Service de-listed the brown pelican in South Carolina in 1985 because populations had rebounded to a healthy level following the removal of pesticide ingredients such as DDT from the market. The future of pelican populations is not only dependent on adequate food supplies and a healthy environment, but also on controlled coastal development. Brown pelicans nest in large groups on sand bars and relatively flat coastal islands, scraping sand into low mounds to form the actual nest. Given a nest that provides so little protection, a remote nest site is crucial, since otherwise eggs would be vulnerable to raccoons and other predators. Kiawah currently appears to provide the protected areas and food sources that brown pelicans require as evidenced by their regular presence here. In fact, the Island’s freshwater resources even attract American white pelicans to avail themselves of what Kiawah has to offer. Islanders can return the favor by appreciating the complexity and daily activities of these intriguing birds. n Photograph courtesy of Ann Crane Partner with the Kiawah Conservancy and protect Kiawah’s legacy for future generations. Reach us at 843-768-2029; visit us online at www.kiawahconservancy.org; “Like” the Kiawah Conservancy on Facebook; and follow @KiawahConserv on Twitter. The Kiawah Conservancy offers a wealth of information including maps, videos and brochures to help you learn more about Kiawah’s natural environment. Educational efforts are geared toward community awareness with several events and programs held throughout the year to provide information and conservation opportunities to both visitors and property owners. Visit the