It was once called sea swallow for its delicate, graceful and buoyant flights over water. In the interior of the continent, damming of major rivers such as the Missouri in South Dakota have resulted in much of their normal nesting habitat (river sandbars) to be submerged. The U.S. FWS's Threatened & Endangered Species System track information about listed species in the United States The interior least tern is a feisty, swallow-like bird 8-9 inches long with a wingspan of 20 inches. Populations are endangered in many areas because of human impacts on nesting areas, especially competition for use of beaches. The goal for the Missouri River system is 2,100 birds. Breeding Range: Interior Least Terns' breeding range stretches across the interior of the United States along the Mississippi, Missouri, and Rio Grande Rivers and their tributaries. Least Tern - South Dakota Birds and Birding Least Tern Range Map. We now think the tern should be listed as "threatened." The Least Tern is the smallest North American tern weighing only one ounce and 9 inches in length (21-24 cm). In 1975, the U.S. Often seen flying low over the water, with quick deep wingbeats and shrill cries. The map product was based on documented occurrences of listed species and expert knowledge about the distribution of species and suitable habitat. This bird is native to South America, the Caribbean, North America and Central America. Nesting habitat includes sparsely vegetated river sandbars, sandpits, and reservoir beaches. This species has a light grey back, white underparts, a white, deeply forked tail, and a glossy black cap and nape. See the Info section below for more information on each ancillary dataset. ROYAL TERN (Thalasseus maximus) "Royal tern" (7). That rating was downgraded to Least Concern in 2004 due the size of the Least Tern population. It is the smallest tern species in North America. Range of the Least Tern during breeding season, based on Breeding Bird Survey data. Montana, which is at the western edge of the range, has a recovery goal of 50 birds. Show Breeding Range Codes and IUCN Status Codes. Least Tern nests on the ground, where it is vulnerable to predators and to human activity such as beach recreation. Our smallest tern. The least tern is the smallest American tern, weighing about 1 ounce and measuring about 9 inches in length. The common tern is the most widespread and abundant tern in New York. Range data provided by Infonatura/Natureserve and BirdPhotos.com. The tail is also shorter and has darker outer edges. Weight: Approximately 1 ounce. Its pointed wingtips are noticeably darker than those of the roseate tern with which it associates. The St. Marks River also flows through and influences St. Marks Wildlife Refuge, which provides wintering grounds, nesting areas, and habitat for more than 300 species of birds. HOLIDAY NOTICE: KDWPT offices will be closed Thursday, Nov. 26 and Friday, Nov. 27 for the Thanksgiving Holiday. https://doi.org/10.2173/ebirdst.2018, Certain products may be unavailable due to insufficient data. . Estimated for 2018. That would mean we are concerned about it, but we don't think it is about to go extinct. This species is in danger of extinction throughout all or a significant portion of its range. Presumably the population had been greatly reduced by hunting prior to 1885. The smallest of American terns, the Least Tern is found nesting on sandy beaches along the southern coasts of the United States and up the major river systems far into the interior of the continent. the Bonton traveled most of the present Florida range and the party col-lected at a number of keys that today are important nesting sites. A range map covering the breeding and non-breeding range is covered in two tones. Breeding adults have yellow bill, stumpy yellow feet, white forehead, and black cap. Note: Data are divided up by species modeling regions and you will need 7zip to decompress the files. The population of the Least Tern is estimated at around 70,000 individual birds. The status and distribution of nesting Roseate Terns in Habitat: Broad, sandy, vegetation-free beaches usually located close to an estuary. LEAST TERN (Sterna albifrons) "Sea Swallow" and "Least Tern" (326). Below is a list of the ancillary data available for download. The long, black outermost wing feathers and the short, d… Least Tern (Sternula antillarum) Range embedded in Google Map Country Map. We are the only comprehensive source of information on the status and location of Nebraska’s rarest and most threatened species and natural communities. Wingspan: 20 inches. Cornell Lab of Ornithology, Ithaca, NY, USA. Map from the Patuxent Wildlife Research Center. In breeding plumage, the bill is blood red with a black tip. The immature and winter adult lack enoug… Least Tern Sterna antillarum. The short legs and webbed feet of the male are orange while the females are pale yellow. Some of the endangered or threatened species that nest in the Refuge include the Southern Bald Eagle, Least Tern, and Red-cockaded Woodpecker. Normal business activity will resume on Monday, Nov. 30. The Least Tern is the smallest North American tern weighing only one ounce and measuring about 9 inches in length. Date: 31 December 2018: Source: Least Tern (Sternula antillarum), In Neotropical Birds Online (T. S. Schulenberg, Editor). ALL SPECIES MAPS ON THIS PAGE ARE THE PROPERTY OF SOUTH DAKOTA BIRDS AND BIRDING, and may not be used, copied, or distributed on any other website, blog, or other distribution media without written approval by the site owner. Endangered. Food: Small fishes, like sandlances; sand eels; crustaceans, like shrimp and prawns. The Least Tern has a range of nearly half a million square kilometers. Wingbeats are uniquely rapid and the black leading edge of the outer wing is co… The individual species range map needs to be reviewed to 2020. eBird Status and Trends, Data Version: 2018; Released: 2020. The mission of the Nebraska Natural Heritage Program is to develop, manage and distribute scientific information critical to the conservation of Nebraska’s biological diversity. English: Range map of Least tern. Conversely, nesting habitat is more specific; interior least terns construct nests on the ground and require open areas of sand and gravel that are largely devoid of vegetation.Historically, interior least terns nested along all of the large, sandy prairie river systems in Oklahoma. Range data provided by Infonatura/Natureserve and BirdPhotos.com. The species nests in the open near water, both coastally and along major inland rivers. Terns use a wide array of habitat types for foraging, including large rivers, lakes, ponds, and shallow wetlands. Changing water levels, direct disturbance by humans, and development have diminished breeding populations. It is slate grey above and white below with a black cap and black extended eyeline. Ancillary data is delivered as zipped ArcGIS Grids. Fink, D., T. Auer, A. Johnston, M. Strimas-Mackey, O. Robinson, S. Ligocki, B. Petersen, C. Wood, I. Davies, B. Sullivan, M. Iliff, S. Kelling. eBird data from 2014-2018. (1983) and Spendelow and Patton (1988). The general ecol-ogy and status of both populations also have been reviewed in Clapp et al. Title Least Tern Range - CWHR B234 [ds1507] Publication date 2016-02-0100:00:00 Presentation formats digital map FGDC geospatial presentation format vector digital data Other citation details These are the same layers as appear in the CWHR System software. Fish and Wildlife Service listed the grizzly bear in the lower 48 states as a threatened species under the federal Endangered Species Act. Length: 8.5-9.5 inches. Its body is slate grey above and white below, with the pointed wings and forked tail characteristic of most terns. Status: State threatened. Life Expectancy: 15 years of age. This is to let people give us reasons why they agree or disagree.The species' population has increased from 600 in 1973 to r… Notice. Identifying Characteristics. Usually hovers before plunging into water for tiny prey; does more hovering than most terns. For a given county-by-species combination, the range of the given species covers some portion (from all to very little) of the county. Adult least terns have a black crown, white forehead and undersurface, pale gray back and wings and a black-tipped yellow-orange bill. Their numbers and range were greatly reduced in the late 19th and early 20th centuries to where they remained in only a few areas in western Montana. Learn more. This map animates weekly estimated relative abundance, defined as the expected count on an eBird Traveling Count starting at the optimal time of day with the optimal search duration and distance that maximizes detection of that species in a region on the specified date. The western population, the California Least Tern, was listed as an endangered species in 1972 with a population of about 600 pairs. The limitations of this book will have you going back to Harrison for the rest of the Terns plus with Saunders, White-cheeked and Crested Terns having ranges not in Europe or North America I'm a bit puzzled by their inclusion, maybe Western Palearctic. Click here to return to the species description page . The aptly named Least Tern—it’s really small—has been bedeviled for decades by habitat degradation. With aggressive management, the Californian population has rebounded in recent years to about 4,500 pairs, a marked increase from 582 pairs in 1974 when census work began, though it is still listed as an endangered subspecies. The Roseate Tern (Sterna dougallii) is listed as endangered in its northeastern range (USFWS 1989) and threatened in its Caribbean range (USFWS 1993). The least tern (Sternula antillarum) is a species of tern that breeds in North America and locally in northern South America.It is closely related to, and was formerly often considered conspecific with, the little tern of the Old World.Other close relatives include the yellow-billed tern and Peruvian tern, both from South America.. We share information with a wide variety of … Tiny, noticeably smaller than other terns, with quick flicking wingbeats. The bill and feet are yellow. A real beach bum, rarely straying far from sand, both on the coast and along inland rivers and lakes. This map animates weekly estimated relative abundance, defined as the expected count on an eBird Traveling Count starting at the optimal time of day with the optimal search duration and distance that maximizes detection of that species in a region on the specified date. Least Terns are threatened in many parts of its range. Delisting the least tern can be considered when the interior population reaches 7,000 and is stable for 10 years, as verified by four censuses. The California population had shrunk to 600 pairs by 1973. We have to go through a legal process(45 KB PDF) to make the change. It is identified in spring and summer by a white forehead contrasting with a black crown and nape. The smallest of American terns, the Least Tern is found nesting on sandy beaches along the southern coasts of the United States and up the major river systems far into the interior of the continent. St. Cayman Islands,Turks and Caicos Islands,Guyana,Peru,Netherlands Antilles,Antigua and Barbuda,Brazil,Ecuador - mainland,Jamaica,Belize,Bahamas,French Guiana,Haiti,Costa Rica,Panama,Puerto Rico,Trinidad and Tobago,Hong Kong,Suriname,Guatemala,Honduras,Nicaragua,Mexico,El Salvador,Cuba,Canada,Dominican Republic,Bermuda,Colombia,Venezuela,United States - Hawaii,British Virgin Islands,United States - mainland, e and s USA to Honduras, Caribbean, n South America. Cornell Lab of Ornithology, Ithaca, New York. Least Tern: Scientific (Sternula antillarum) Order: CHARADRIIFORMES: Family (Latin) Laridae: Family (English) Gulls, Terns, Skimmers: Other name(s) Regions: NA, MA: Breeding Range Subregions: widespread: Nonbreeding Breeding Migration Year-round. Florida range and the party col-lected at a number of keys that today important. Rivers and lakes Nov. 30 ( Thalasseus maximus ) `` royal Tern ( Thalasseus maximus ) `` royal Tern (... 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2020 least tern range map