Amtrak conductor Michael Laubauskas talks on a radio Feb. 19 as his train departs Trenton, N.J., for Washington, D.C. The U.S. House passed an Amtrak funding bill Wednesday that splits Amtrak's high-ridership Northeast Corridor line that runs from Boston to Washington from the less profitable part of the system. Mel Evans/AP hide caption

itoggle caption Mel Evans/AP

Laurie McCannon, director of the Northeast Animal Shelter in Salem, Mass., with a dog named Trina. Three-quarters of the dogs adopted from the shelter in 2013 were from out of state. Shannon Mullen for NPR hide caption

itoggle caption Shannon Mullen for NPR

Miami-Dade County's animal shelter takes in more than 28,000 dogs and cats each year. In 2012, the county adopted a resolution that the shelter would become a no-kill facility. But even no-kill shelters can euthanize up to 10 percent of their animals. Greg Allen/NPR hide caption

itoggle caption Greg Allen/NPR

Do you want to go to the park? Mango Doucleff, of San Francisco, responds to her favorite command by perking up her ears and tilting her head. Michaeleen Doucleff/NPR hide caption

itoggle caption Michaeleen Doucleff/NPR

A puppy waits at an adoption event in Miami last year. The city is now considering a ban on the sale of puppies in retail pet stores. Cities and towns in several states have passed similar bans, aimed at cracking down on substandard, large-scale puppy breeders. Wilfredo Lee/AP hide caption

itoggle caption Wilfredo Lee/AP

Kari Neumeyer feeds her dogs, Leo and Mia, a raw food diet supplemented by kibble, which she says is more natural than commercial dog food. Rob Eis/Courtesy of Kari Neumeyer hide caption

itoggle caption Rob Eis/Courtesy of Kari Neumeyer

Courtney Martin jogs through the snow with her dog, Theodore, in St. Louis. Missourians and their pets muddled through another frigid day Tuesday. Jeff Roberson/AP hide caption

itoggle caption Jeff Roberson/AP