Injured black kites at Wildlife Rescue, a clinic run by brothers Nadeem Shehzad and Muhammad Saud in Delhi. Over the past 12 years, they've treated nearly 26,000 of the raptors. The brothers are featured in a new prize-winning documentary, All That Breathes, which was just nominated for an Oscar and is premiering on HBO on Feb. 7. Javed Dar/Xinhua via Getty Images hide caption
Rodney Stotts walks across the roof of the Matthew Henson Earth Conservation Center with one of his hawks. A former drug dealer, he is now a falconer — one of only 30 African-American falconers in the U.S., he says. Claire Harbage/NPR hide caption
Squirrels closely mimic bird warning calls and help spread the alarm through the forest that hawks, owls or other predators are nearby. iStockphoto hide caption