When Nancy and Jim Cowan decided to become falconers 30 years ago, there was one major problem: Falconry was illegal in New Hampshire, their home state. But they didn’t let that minor detail deter them. Instead, they launched an effort to legalize the sport across the state by lobbying lawmakers and their fellow statesmen. After several years of crusading, the couple emerged victorious, and the sport was legalized in 1988. Nancy and Jim now both hold the title of master falconer and run the New Hampshire School of Falconry, which they started in 2005. It currently hosts 10 birds of prey, including Gyrfalcons, Goshawks, Peregrine Falcons, Harris’s Hawks, and a Lanner Falcon, with two more male Harris’s Hawks joining their "flight squad" this spring. The raptors either engage in active hunting with Nancy and Jim or are used for falconry lessons at the school. Over their decades of falconry experience, the couple has also helped rehabilitate five wild birds. In...