The Bronx River isopen the sewerA major cause is the dumping of large amounts of industrial waste into New York City’s waterways during the 19th and 20th centuries. The dolphins were one of several species driven out by pollution, but last week they returned for the first time in years.
“It’s true. Dolphins were spotted in the Bronx River this week,” says the New York City Department of Parks and Recreation. murmured Along with a video of at least two dolphins swimming in the water on Thursday. “This is great news. It shows that decades of efforts to restore rivers as healthy habitats are working.”
of Bronx League said a dolphin was sighted starlight parkan area of the Bronx with previously unused developed land that has since been restored with vegetation, picnic areas, playgrounds, etc. According to BBCIt’s the first time in five years that dolphins have landed in the Bronx.
Two dolphins were also spotted last week in the Whale Creek tributary adjacent to Greenpoint at the Newtown Creek Wastewater Treatment Plant in Brooklyn.
The Park Service said the dolphins may have “naturally found” their way back to the waterways in search of fish. In 2018, the agency released 400 adult herrings, a type of herring, into rivers as part of an effort to improve water ecosystems.so video Released at the time, the agency explained that the river was New York City’s only freshwater source and that newly released fish would use the area to spawn and hope their offspring would do the same. bottom.
the river became highly polluted According to the American Museum of Natural History, it was used in the 19th and 20th centuries to process industrial waste such as manure and oil. Due to the pollution, many animals and plants have been lost.
But the group working for decades Restore waterways. According to the Bronx River Alliance, the Bronx Zoo stopped dumping more than 200,000 gallons of animal waste into the river in 2001, and the New York Botanical Garden dumped thousands of gallons of pollutants into the river in 2002. I stopped
Though rarely seen in the Bronx River, marine mammals frequent the waters around the Big Apple. Every year from spring to autumn bottlenose dolphin Visit local waterways to feed.
As marine animals make their presence known in the area, the state’s Department of Environmental Conservation The Marine Mammal Protection Act requires people to avoid touching, feeding, disturbing, or harassing marine mammals. and those who do so are subject to fines and imprisonment.