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California Least Tern-Kip-3462.jpg
Endangered California Least Tern (Sternula antillarum brownii) flying . Tijuana River Estuarine Reserve, CA. This migratory bird is a U.S. federally listed endangered subspecies. The total population of the subspecies amounted to 582 breeding pairs in the year 1974, when census work on this bird began. While numbers have gradually increased with its protected status, the species is still vulnerable to natural disasters or further disturbance of man (wiki 2009)
  • california least tern
  • least tern
  • Sternula antillarum brownii
  • tijuana river estuarine reserve
  • endangered species
  • endangered
  • migratory bird
  • seabird
  • sea bird
  • shore bird
  • shorebird
  • tijuana
  • bird
  • mexico