Photo Credit: Mark Pavelka/USFWS. The Quicksand Pond area provides an excellent breeding habitat for the least tern, It is also nesting habitat for the endangered California Least Tern. California least tern breeding success and these data were compiled into annual summary reports. disturbance.Annual least tern productivity at D Street Fill is summarized in Appendix A. Most Snowy Plover nests were initiated in April (27%), May (32%), and June (30%) with the earliest nest initiated on 10 … California Least Terns nest on open, sandy dunes along the coast, and feed on small fish like anchovy and smelt in shallow coastal waters, lagoons and estuaries. California Department of Parks and Recreation, 2017. There was a total of six nests at SAN, which is a historically low number. California least tern and federally threatened western snowy plover. Over 60% of the nesting population can be found in San Diego County. Nesting season for California least terns (Sternula antillarum browni) occurs from mid-April to August. California least terns often have two waves of nesting during this time period (Massey and Atwood 1981). nesting season, kleptoparasitism by Forster’s Terns on California Least Terns has been documented (Riensche et al. Continued Nesting of California Least Terns in Sacramento County, California hris onard, 2405 Rio ravo ircle, Sacramento, A 95826. conardc@gmail.com I previously reported on the 2008 and 2009 breeding activity and nesting behavior of the federally endangered alifornia Least Tern (Sternula Preparing for Alameda’s Least Tern nesting season. (Nelvin C. Cepeda / San Diego Union-Tribune) 2 / 8 time of this writing, the California Least Tern Breeding Season 2017 report was not available. Nesting California Least Tern (Sternula antillarum Least Terns used Nest Site 2 (NS2) for the first time since its creation by the Restoration Project and there were more Least Tern nests on The endangered Interior Least Tern (Sterna antillarum athalassos) breeds inland along the Missouri, Mississippi, Colorado, Arkansas, Red, and Rio Grande River systems. Their nests are shallow depressions lined with shells or other debris (Massey 1974, Cogswell 1977). California Least Tern Breeding Survey 2009 Season (PDF) (Report). ↑ Marschalek, D. (2009). 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. 2012a). The California least tern (Sterna antillarum brow-ni) is a migratory species, nesting along the West Coast of North America from Baja California north to the San Francisco Bay (U.S. Sixty dump truck loads of sand were delivered to the site on the old Navy airfield in March, paid for by the U.S. Notable events in the site's history included the site being abandoned by nesting terns in 1981 and 1990, butlo the cony being re-established with up to135 nests in 1992 (Copper 1981, Obst and Johnston 1992, Caffrey 1993). Late-season nests may be established by renesters from the first wave or late-arriving first time breeders (Massey and Atwood 1981). Frost, N. … The nesting area at Huntington State Beach (Figure 1) has been a “top 5” colony in alifornia, in terms of number of pairs, nests, and fledgling production, making it … Female California least terns generally lay 1 to 3 eggs which take about 3 weeks to hatch. figure 1. 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