Looks like birds of a feather really do flock together — on the Jacob Javits Center‘s green roof, that is. The West Side convention center’s massive 29,200-square-foot green roof has been doing double duty as an avian oasis, according to a new study by the New York City Audubon and Fordham University. The report reveals that almost a dozen different species have been spotted on the sedum-covered rooftop since last summer.

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Although at street level, the expansive convention center looks like any other glossy NYC building, the center is actually home to the second largest green roof on a single, free-standing building in the country. The large energy-saving rooftop was constructed by Durham-based company Xero Flor using sedum grown on an Upstate New York farm.

Related: Did You Know That There’s a 292,000-sq-ft Green Roof Atop the Jacob Javits Center?

Now, the center’s green rooftop has converted into an urban oasis for almost a dozen species of birds, according to recent findings. The study, conducted by the New York City Audubon and Fordham University, counted 524 bird sightings on the roof since last spring and summer.

Javits Center CEO Alan Stell hailed the center’s role in providing the center’s feathered friends with a new home. “With the installation of our green roof, we have created an oasis for the area’s wildlife in an urban environment dominated by concrete and steel,” he said.

Via NY Daily News