State: Endangered . This site is managed jointly by the Port and as part of the the USFWS Sweetwater Marsh National Wildlife Refuge. Status in Tennessee: The Least Tern is locally common during the summer along the Mississippi River and is a rare migrant elsewhere in the state. It has white underparts and gray upper body, wings and a forked tail. Throws down the gauntlet to BOU over non-recognition of the widely-accepted split of Sternula antillarum Least Tern from S albifrons Little Tern. Least tern is ranked as Vulnerable in New York and as Imperiled in Massachusetts and Connecticut. Common in spring, summer, and fall, and occasional in winter in Gulf Coast region. Since 2001 the Aquarium of the Pacific has partnered with the US Navy, … The California least tern, Sternula antillarum browni, is a subspecies of least tern that breeds primarily in bays of the Pacific Ocean within a very limited range of Southern California, in San Francisco Bay and in northern regions of Mexico.This migratory bird is a U.S. federally listed endangered subspecies. We would like to show you a description here but the site won’t allow us. Key words: endangered species, fledging success, least tern, population status, population trend, productivity, Sterna antillarumn. Least terns have long pointed wings and a deeply forked tail. The interior population of least tern was list-ed as endangered in 1985 because of perceived low numbers and threats to its breeding habitat (Federal Register 1985). Least terns can reach a length between 8.3-9.1 inches (21-23 centimeters) with a wingspan of 21-23 inches (53-58 centimeters) (Thompson et al., 1997). By the early 20th century, only about 250 pairs of Least Terns remained in the state. Each of these management areas must have at least one viable colony. Nesting productivity.--During the breeding seasons of 2003 and 2004 we visited all potential least tern nesting sites approximately every two days to search for new nests and to check the status of extant nests. The Least Tern, very similar to the Old World Little Tern (Sternula albifrons), breeds widely along coastal beaches and major interior rivers of North America and winters broadly across marine coastlines of Central and South America. Like most species of tern, they have a slender body, narrow pointed wings, and a forked tail. The least tern (Sternula antillarum, formerly Sterna antillarum) is a species of tern that breeds in North America and locally in northern South America. 2. van Halewyn, R., and R. L. Norton. The least tern is the smallest of the North American terns (about 9 in. about the nesting status of the Least Tern in the Florida Keys prior to the 1970s. No. The least tern can be distinguished by its sulfur yellow bill, which has a black tip. At the Aquarium. Letters: The taxonomic status of Least Tern. Least terns can reach a length between 8.3-9.1 inches (21-23 centimeters) with a wingspan of 21-23 inches (53-58 centimeters) (Thompson et al., 1997). British Birds 103(12): 728-730. STATUS: Breeder. Least Terns • Conservation Status • Although widespread and common in places, its favored nesting habitat is prized for human recreation, residential development, and alteration by water diversion, which interfere with successful nesting in many areas. HABITAT: Conservation Status. It is identified in spring and summer by a white forehead contrasting with a black crown and nape. It is closely related to, and was formerly often considered conspecific with, the little tern of the Old World. Assuming that only 80 per cent of the nesting attempts were discovered and nesting attempts actually numbered 400 in 1971 and 275 in 1972, the estimated recruitment is calculated to be 233 terns in 1971 and 110 terns in 1972. It arrives by mid-May in West Tennessee, and from July through early September it can be found on lakes and large rivers throughout the state. CONSERVATION STATUS: Endangered - Protected. This migratory bird is a U.S. federally listed endangered subspecies. Birds 38:975-981. Pages 157-168 in Croxall et al., eds. Least Terns are common summer residents along the coast and rare to locally uncommon at scattered locations inland (Lockwood and Freeman 2004). STATUS OF LEAST TERN RECRUITMENT Based on the juvenile census, Camp Pendleton produced a minimum of 195 least terns in 1971 and 92 least terns in 1972. A response from BOURC (TSC) comments: ...The Little Tern group represents a wide-ranging polytypic complex and it is perhaps unwise to make new taxonomic … The status and conservation of seabirds of the Bahama Islands. MODERATE CONSERVATION CONCERN. Other col- onies reportedly occurred near Bahia Honda Key (Howell 1932), on Key Largo (Howell 1932), and on Lake Key in Florida Bay (Bent 1921). ICBP Tech. 2 (WESTEC 1981). Least tern gets official status By Michael d'Oliveira | on July 08, 2020 . Least terns have white foreheads, slender, dark-tipped yellow bills and yellowish legs. Least tern, Sterna antillarum is split from the little tern, S. albifrons which is confined to the old world *15,18*. Status and conservation of the world's seabirds. 2004). Status of the interior least tern in Kansas. In Tennessee Valley region, rare in spring, late summer, and fall. Least Tern Biological Status Review Report 4 concern are invasive species such as fire ants and carnivorous lizards (Hooper-Bui et al. This delightful chattering seabird is the UK's smallest tern. The least tern (Sternula antillarum) is a species of tern that breeds in North America and locally in northern South America. The California Least Tern is illustrated on The Wave’s mosaic tile mural, Rios de la Vida (Rivers of Life). To be downlisted to "threatened" status, the tern must have at least 1,200 breeding pairs distributed in at least 15 "secure" management areas. The San Francisco Bay, Mission Bay, and San Diego Bay management areas must have at least 3, 5, and 4 viable colonies repectively. Their narrow, pointed wings make them streamlined flyers. CLIMATE CHANGE: Not Applicable. In Inland Coastal Plain, occasional, mostly in fall. POPULATION STATUS. Adults average 8 to 10 inches in length, with a 20 inch wingspan. Unlock thousands of full-length species accounts and hundreds of bird family overviews when you subscribe to Birds of the World. The least tern is the smallest American tern, weighing about 1 ounce and measuring about 9 inches in length. AVAILABLE … STATUS: The Least Tern suffered the same fate as Massachusetts’ larger terns at the end of the 19th century – they were slaughtered for use as decorations for hats. The least tern is the smallest tern in North America. 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. IUCN Status: LC (Least Concern) Appearance. Least terns have nested on the sand-shell substrate of dredge spoil at the "D Street Fill", 2. south of the mouth of the Sweetwater River, along the eastern shore of San Diego Bay, since 1973 (WESTEC 1981). Least terns are the smallest North American terns. Identification. The least tern with chicks. Populations are increasing in New Jersey and Massachusetts but declining in Connecticut. A 1990 recovery plan set an overall population goal of 7,000 birds, which has been exceeded since 1994. Least concern (LC) ne dd lc nt vu en cr ew ex. Am. Least terns have nested on theand s shell substrate- f dredge o poil at the s "D Street Fill", south of the mouth of the Sweetwater River, alongh te eastern shore of San Diego Bay, since9 173 . Its bill is a distinctive yellow with a black tip. Least terns have long pointed wings and a deeply forked tail. IUCN – Least Concern Status Discussion: Least tern is a common local breeder and a common to abundant migrant on Long Island. The California least tern, Sternula antillarum browni, is a subspecies of least tern that breeds primarily in bays of the Pacific Ocean within a very limited range of Southern California, in San Francisco Bay and in northern regions of Mexico. 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