The population is about 21,500 pairs; it is not currently considered federally threatened, though it is considered threatened in many of the states in which it breeds. The tern would be the 45th species to be delisted for recovery in the United States, including 21 in the past five years. Recreational activities on rivers and sandbars can disturb nesting terns, causing them to abandon their nests. San Diego Audubon has been working to meet each of these threats with the help of our dedicated volunteers and our funders and partners, including the San Diego Association of Governments (SANDAG), the City of San Diego, the U.S. The changes could lead to extinction for hundreds of animals and plants. Click on each program below to learn about how you can help, and keep an eye out for events on the calendar. Our conservation efforts can be broken down into three main volunteer programs: habitat restoration events, the Conservation Team Leader program, and Ternwatchers, our predator monitoring volunteers. October 23, 2019, Noah Greenwald, (503) 484-7495, email@example.com, Interior Least Tern an Endangered Species Act Recovery Success, Federal Officials Propose Removing Bird From Protected Species List. The Center for Biological Diversity is a national, nonprofit conservation organization with more than 1.6 million members and online activists dedicated to the protection of endangered species and wild places. They occur along major midwestern rivers such as the Missouri, Mississippi, Ohio and Arkansas, along the Red River in Louisiana, and on the Rio Grande River in New Mexico and Texas. Natural wide channels dotted with sandbars have been replaced by narrow, armor-banked rivers with highly altered flows. Most of this increase is along the Lower Mississippi River. The review recommends delisting the tern pending (a) demographic modeling to ensu… “Trump officials are mangling a law that has been critical to rescuing these birds and so many other species,” Greenwald said. The California Least Tern (Sternula antillarum browni) is an endangered species of migratory seabird that nests along the coasts of California through Baja every April through mid-September. Before being protected as endangered in 1985, the number of interior least terns had plummeted below 2,000 birds. Over 60% of the nesting population can be found in San Diego County. Endangered Species Act protections have helped interior least tern numbers expand nearly tenfold over the past three decades. The second smallest species of tern (only 9 inches long when fully grown), this bird was one of the first species to receive federal protections after the Endangered Species Act was passed in 1973. The second smallest species of tern (only 9 inches long when fully grown), this bird was one of the first species to receive federal protections after the Endangered Species Act was passed in 1973. Terns require barren areas near water such as saline flats in salt marshes, sand bars in river beds, and shores of large impoundments. Tern counts in the Missouri River drainage continue to fall below the population target, because the river is highly regulated and dams interrupt the supply of sediments needed to build sandbars along rivers. “This is another example of how well this landmark law works to save wildlife that’s at risk of vanishing. CA Least Terns had a Successful Nesting Season in Mission Bay! Around the turn of the century, the least tern was in danger of extirpation in the northeastern U. S. because of hunting for the millinery trade. Status: Endangered (Proposed for Delisting) The Interior Least Tern (Sternula antillarum) is the smallest of the terns found in North America.Meriwether Lewis and William Clark recorded their first observation of an Interior Least Tern on August 5, 1804 along the Missouri River, near present day Omaha, Nebraska while on their 1803—1805 “Voyage of Discovery” across North America (2013 Tern and Plover … But least terns have proven resilient to habitat changes and have benefited from improved river management to create suitable habitat.
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