The U.S. Fish and Wildlife Service is investigating a Chilkat Lake property owner for violating the Migratory Bird Treaty Act after he wrote in a blog account of how he hacked off a falcon’s foot with a machete.

Nathanael Motes and his wife Jennifer Motes write a blog called Motes Mountain Chronicles, detailing the Texas couple’s stories and anecdotes since they moved “‘off the grid’ to live off the land in Alaska.”

In a Jan.…