Arroyo Southwestern Toad
Endangered, found along the Sweetwater River |

Photo copyrighted, do not reproduce.
Photo by Anthony Mercieca© |
Light-footed Clapper Rail
Endangered, found in the Lower Sweetwater River Basin and tidal marsh near San Diego Bay |

Photo copyrighted, do not reproduce.
Photo by Anthony Mercieca© |
California Brown Pelican
Endangered, found near Sweetwater Reservoir |

Photo copyrighted, do not reproduce.
Photo by Anthony Mercieca© |
California Least Tern
Endangered, found near Sweetwater Reservoir (migratory) |

Photo copyrighted, do not reproduce.
Photo by Anthony Mercieca© |
Least Bell's Vireo
Endangered, found near Sweetwater Reservoir |

Photo copyrighted, do not reproduce.
Photo by Anthony Mercieca© |
Fairy Shrimp
Endangered, found near Sweetwater Reservoir |

Photo copyrighted, do not reproduce.
Photo by Anthony Mercieca© |
California Gnatcatcher (male)
Threatened, found in Coastal Sage Scrub near Sweetwater Reservoir |

Photo copyrighted, do not reproduce.
Photo by Anthony Mercieca© |
Southwestern Willow Flycatcher
Endangered, found near Sweetwater Reservoir |

Photo copyrighted, do not reproduce.
Photo by Anthony Mercieca© |
Peregrine Falcon
Endangered, found near Sweetwater Reservoir |

Photo copyrighted, do not reproduce.
Photo by Anthony Mercieca© |
Quino Checkerspot Butterfly
Endangered, found near Sweetwater Reservoir |

Photo copyrighted, do not reproduce.
Photo by Anthony Mercieca© |
Otay Tar Plant
Threatened, found near Sweetwater Reservoir |

Photo copyrighted, do not reproduce.
Photo by Anthony Mercieca© |