Record 34 Million Olive Ridley Turtles Hatch on Oaxaca Coast
Mexico's Morro Ayuta beach sanctuary in Oaxaca has reported a record-breaking nesting season, with over 34 million olive ridley sea turtle hatchlings emerging from 1.9 million protected nests. The National Commission of Natural Protected Areas (Conanp) confirmed the unprecedented numbers for the vulnerable species. Favorable weather conditions, including increased rainfall and ideal incubation temperatures, contributed to this successful outcome.
The Morro Ayuta beach sanctuary, located on Oaxaca’s Pacific coast between Puerto Escondido and Salina Cruz, has observed a record 1.9 million protected nests, resulting in more than 34 million olive ridley sea turtle hatchlings. This marks a historic nesting season for the vulnerable species, as reported by Mexico’s National Commission of Natural Protected Areas (Conanp).
Guillermo González Padilla, head of the turtle camp, noted that the successful season was aided by increased rains, wetter beaches, and ideal summer temperatures for egg incubation. The Morro Ayuta sanctuary is recognized globally as a significant marine biodiversity preservation center and is one of only 12 locations where mass turtle arrivals, known as 'arribadas,' occur.
The olive ridley turtle, characterized by its heart-shaped shell, is among the smallest sea turtle species globally. They are predominantly found in the tropical waters of the Pacific, Indian, and Atlantic Oceans. Females typically begin their reproductive period in May and can lay nearly 500 eggs in a single season.
Despite the successful season, conservation efforts face several challenges. External factors such as ocean swells, hurricanes, and pollution pose threats. Wild dogs are also a significant predator, consuming approximately 40 nests daily. Poaching remains a concern, with individuals selling turtles and eggs on the black market due to a lack of employment opportunities in the region. Traditionally, sea turtles and their eggs were part of the Indigenous Chontal community's diet.
To combat these issues, the sanctuary collaborates with the federal Program for the Protection and Restoration of Priority Ecosystems and Species (PROREST), local communities like Paja Blanca and Tapanalá, and the civil association CostaSalvaje. Mexico’s Federal Attorney for Environmental Protection (Profepa) activates a surveillance protocol with the support of the Mexican Navy at the start of each nesting season to deter poaching. Funding for the sanctuary is partially derived from the Mexican government's environmental crime fine scheme, which has allocated over 8 million pesos (US $464,700) to support priority conservation areas.
According to González Padilla, the olive ridley sea turtle population has experienced exponential growth over the past 20 years. (Source: Mexico News Daily)