"We lit up the Empire State Building with the world's most beautiful -- and threatened -- species to show the world what's at stake," the filmmakers said on their website.
Some 160 different threatened species were shown.
Even Cecil the Lion, infamously killed by an American dentist in Zimbabwe last month, was projected on to the building.
This bald eagle certainly had the city feeling patriotic. 🌃🇺🇸
You can learn more about the fight to save these species here.