As is known to all, the environment between fresh water and the sea is different. Therefore, some fresh water creatures are unable to live in the sea, while some creatures in the sea are also unable to live in fresh water. There seem to be exceptions, though.
The US Environmental Protection Agency said it found a mammal in a tamsui river that should live in the sea, which surprised experts. Unprecedented ” .
According to the report, the mammal was a harbor seal,Instead of living in an ocean environment, this seal prefers to live in the Hudson River in New York State.
The seal was abandoned by its mother shortly after birth and was found on an island in Harpswell, Maine, on April 28, 2018, according to the Environmental Protection Agency.
He was taken to an aquarium in Connecticut by a rescue group.At the aquarium, the seal was tagged electronically and released on January 17, 2019.
Instead of staying in the ocean, the seal swam into the Hudson River, where it finally settled on August 21, 2019, where it remained for 620 days, according to an electronic tracking tag.
Until April 24, 2021, when the seal's electronic tracking tag suddenly failed. Epa staff searched for the seal, which was rescued three months later by New York Sea Rescue staff.
According to staff at sea Rescue In New York, the seals became inflamed and developed the skin disease seal pox. After two months in the rescue center, he was released again.
After being released, the seal embarked on a 210-mile journey and finally returned to the Hudson River on Aug. 25, 2021. Experts were surprised.
Experts at the Environmental Protection Agency say,As of New Year's Day, the seal had spent 878 days in fresh water, which is unprecedented because no Marine mammal has ever seen such a love for fresh water.
Experts say this may be due to the abundance of fresh water and the lack of competition. Either way, though, this behavior is clearly not normal.