Coverage dated September 21, 2026 to September 25, 2026

Tropical sea turtles discovered nesting in California for the first time in recorded history

Headline from KTVZ Bend, from the development of Sep 21, 2026

Newest development Sep 23, 2026 · 2 reportsHistoric sea turtle nests in California could help threatened species thrive, aquarium says

By Laura Paddison, CNN (CNN) — Sea turtles usually found in the tropics have been spotted nesting on California beaches — a historical first, according to officials. Olive ridley sea turtles are one of the smallest of the sea turtles and have distinctive olive-green, heart-shaped shells.

KTVZ Bend's own description from its feed. We collect headlines and these descriptions, not full articles; read the original reporting below.

Developments in this update

2 dated developments, oldest first, newest marked. Each is named by one outlet's own headline; open its reports to see every outlet that covered it.

  1. Names this update

    Tropical sea turtles discovered nesting in California for the first time in recorded history

    Headline from KTVZ Bend ·

  2. Newest

    Historic sea turtle nests in California could help threatened species thrive, aquarium says

    Headline from KTLA Los Angeles ·

4 reports not tied to one development ·

Reports & sources

16 articles, oldest first.

  1. KTLA Los Angeles

    Sea turtle nests on Southern California beach for first time in recorded history (opens KTLA Los Angeles)

    Published

    KTLA Los Angeles's feed description

    A sea turtle currently nesting on a Southern California beach is the first known sea turtle on record to nest naturally anywhere on the West Coast, according to NOAA Fisheries. An olive ridley sea turtle was spotted digging a nest and laying eggs near Seal Beach in Orange County on Sept. 16.

  2. KYMA Yuma

    Sea turtles nesting on Orange County beaches for the first time (opens KYMA Yuma)

    Published

    KYMA Yuma's feed description

    A historic discovery along the southern California coast. Sea turtles were seen nesting on Orange County beaches this month.

  3. KYMA Yuma

    Sea turtles nest on Orange County beaches for the first time (opens KYMA Yuma)

    Published

    KYMA Yuma's feed description

    A historic discovery along the Southern California coast. Sea turtles were seen nesting on Orange County beaches this month.

  4. KTLA Los Angeles

    Historic sea turtle nests in California could help threatened species thrive, aquarium says (opens KTLA Los Angeles)

    Published

    KTLA Los Angeles's feed description

    Two historic sea turtle nests discovered along Southern California's coastline could mark the beginning of a new chapter for the threatened species, with wildlife experts hopeful that the hatchlings may one day return to the same beaches to lay eggs of their own.

  5. The Guardian

    In a first, olive ridley turtles spotted nesting on California’s beaches (opens The Guardian)

    Published

    The Guardian's feed description

    Scientists are questioning whether the nestings on Seal and Huntington Beach were freak occurrences or start of a trend A sea turtle crawled out of the surf in southern California last weekend around sunset and started laying eggs in the sand.

  6. KTVZ Bend

    Tropical sea turtles discovered nesting in California for the first time in recorded history (opens KTVZ Bend)

    Published

    KTVZ Bend's feed description

    By Laura Paddison, CNN (CNN) — Sea turtles usually found in the tropics have been spotted nesting on California beaches — a historical first, according to officials. Olive ridley sea turtles are one of the smallest of the sea turtles and have distinctive olive-green, heart-shaped shells.

  7. ZME Science

    Sea Turtles Nested in California for the First Time. A Warmer Pacific May Be Reshaping Their Range (opens ZME Science)

    Published

    ZME Science's feed description

    Two unprecedented nests are raising questions about how warming seas could redraw turtle habitat.

  8. ABC 7 Los Angeles

    Warmer waters likely attracting sea creatures; sea turtle nests in OC linked to 2 endangered turtles (opens ABC 7 Los Angeles)

    Published

    ABC 7 Los Angeles's feed description

    Two historic sea turtle nests discovered in Southern California have been confirmed to belong to two different endangered olive ridley sea turtles, according to NOAA Fisheries.

Identical headlines usually mean shared wire copy. They are counted as separate articles but are not independent confirmation.

Separate coverage close to this update in time and subject.

Tropical sea turtles discovered nesting in California for the first time in recorded history | Since Then