A humpback whale washed ashore and was found dead at the oceanside beach of Cupsogue Beach County Park in Westhampton early Sunday. A team from the Atlantic Marine Conservation Society arrived around 12:15 p.m. for an assessment, society officials said. A biologist is expected to perform a necropsy on Monday. This is the first large whale to strand in New York this year. Credit: Newsday / Mark Harrington

A female humpback whale was found dead and washed up ashore at the oceanside beach of Cupsogue Beach County Park in Westhampton early Sunday.

A team from the Atlantic Marine Conservation Society arrived around 12:15 p.m. for an assessment, society officials said. A biologist is expected to perform a necropsy on the 37-foot humpback on Monday.

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A female humpback whale was found dead and washed up ashore at the oceanside beach of Cupsogue Beach County Park in Westhampton early Sunday.

A team from the Atlantic Marine Conservation Society arrived around 12:15 p.m. for an assessment, society officials said. A biologist is expected to perform a necropsy on the 37-foot humpback on Monday.

This is the first large whale to strand in New York this year, the society said.