Four bold gray dolphins, of a group of 10, made a rare foray into the Bay of Pigs (Bahia de Cochinos) in southern Matanzas province, 150 kilometers southeast of Havana.
The exemplaries of these cetaceans present in that harbor, also called gray whales, belong to the species grampus griseus, odontoceo delphinidae family, according to the literature.
"The migration of such mammals into the middle of the creek is unknown," declared the Master of Science Yuliet Gonzalez to Giron local weekly. According to Gonzalez, specialist of the Ministry of Science, Technology and Environment (CITMA), due to the abovementiones creek is deep and being in the direction of the ocean currents, visitors may have been guided by them and tried to emigrate.
However, she added, it can not be associated to any specific event.
This situations of arrival of these dolphins have only happened twice two decades ago, she added.
The Latin name of these animals means big gray fish, measuring up to twelve feet and weigh 350 kilos, and are recognized by their abundant globose head and elongated white markings resemblance of scars, according to the source.
Their food is squid and small fish, they are sociable and tend to gather in groups of five to 30 of the same or similar ages, females with young or an adult male with six females, the newspaper said.
Natural phenomena such as El Niño usually affect distribution on the seas and cause movements or concentrations.