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- Photo via National System of Conservation Areas -




Whale and her calf die in Puntarenas



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Published on Wednesday, October 11, 2023
By the A.M. Costa Rica staff


 

Park rangers from Puntarenas Province's Cabo Beach Marine Protected Area investigate the death of a humpback whale and her calf after they were stranded on the beach.


According to the National System of Conservation Areas, the organization in charge of the administration of Costa Rica's national parks and protected areas, several public and private organizations are collaborating to determine the causes of the mother whale's death and the subsequent death of her calf.


Specialists from the Nicoya Peninsula's Participatory Cetacean Monitoring Project informed park rangers about the death of an adult humpback whale, with its baby still alive and swimming near Cabuya Island in Puntarenas.


When park rangers arrived, they discovered the mother whale dead on the shore of a rocky area, but her baby was still alive. "The whale calf was very weak and had multiple wounds on its body," the researchers said in a statement.

 

"The calf was still in a breastfeeding period and it was not possible to rescue it, since it was almost impossible to keep it alive on its own, since the only eating habit it knows is breastfeeding by its mother," they said.


Following protocol for stranded whales, park rangers scheduled the arrival of a veterinarian from the National Animal Health Service to the location.







According to the authorities, the next day they confirmed the whale calf's death with the aid of volunteers and a veterinarian from the Wild Sun Rescue Center.


A team of experts performed a necropsy procedure, extracting an eyeball sample and a biopsy of the whale's skin, blood, and muscle.


The samples were transferred to the National Animal Health Service, where laboratory testing was undertaken to rule out any illnesses that may have been present in the two whales.


Whale encounters so close to Costa Rica's Pacific coast are more frequent. Recently, three individuals were hurt after a whale struck their boat at Jimenez Port in Osa Peninsula, Puntarenas Province's southern zone.


According to the Tourism Institute, the southern Pacific Coast is a popular humpback whale resting area. The whale-watching season runs from December to mid-March, and then again from July to October.


Adult whales may grow to be 40 to 60 feet long and weigh up to 40 metric tons (44 short tons). The humpback's body is unusual, with large pectoral fins and tubercles on its skull. It is well-known for breaching and other unusual surface activities, which make it a favorite among whale watchers.



In September, the Congress' Special Tourism Commission pre-approved bill No. 23,375, which proclaimed the humpback whale-watching season to be in the public interest of the country.  The measure intends to increase tourism while also ensuring effective environmental management.


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What have you heard about expats witnessing humpback whales in Costa Rica?  We would like to know your thoughts on this story. Send your comments to news@amcostarica.com



  


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