The Ostional Wildlife Reserve announced the beginning of the October 2021 arribada.
Hundreds of sea turtles came ashore Thursday in Ostional, Costa Rica, during the latest arribada, a mass nesting that can last several days.
More than 300 baby sea turtles were released this month by a conservation group in Moín, Limón.
Thousands of sea turtles came ashore this week in the latest arribada, a mass nesting of the turtles that can last several days.
Guards who work for the Playa Hermosa Wildlife Refuge collect about 10,000-15,000 eggs from the sand each year.
Thousands of sea turtles came ashore Sunday in the latest arribada, a mass nesting of the turtles that can last several days.
The findings suggest a "developmental difference between the eggs of arribada and non-arribada nesting females."
Scientists have identified a gene that seems to be responsible for turning hot and cold temperatures into girl and boy baby turtles. The finding could help keep turtles safe in an ever-warming world.