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
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
The story of Arthur, a stray who adopted a team of Swedish athletes competing in Ecuador, spread quickly after he refused to be left behind. Krister Goransson/Peak Performance hide caption
David Roberts says the Cyber-Enhanced Working Dog harness will allow humans to monitor dogs' physical and emotional states remotely, such as in search and rescue operations. Becky Kirkland/North Carolina State University hide caption
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
Due to fears of Ebola, Excalibur, the pet of a nurse assistant infected with the virus in Madrid, was euthanized as a precautionary measure. AP hide caption
Excalibur, the dog that belonged to the Spanish nurse infected with Ebola, bayed from its balcony in Madrid before being euthanized on Oct. 8. Andres Kudacki/AP hide caption
Boys show off their four-legged friends at a rabies vaccination drive set up by the Serengeti Health Initiative in the Bariadi District of Tanzania. Anna Czupryna/Courtesy of Serengeti Health Initiative hide caption
Not everyone's a dog lover. A new magazine in Germany caters to the haters. Aaron Kohr/iStockphoto hide caption
Zeus drinks from the kitchen faucet in Otsego, Mich. The Great Dane, the world's tallest dog, died last week. He was 5. Kevin Scott Ramos/Guinness World Records 2013 Book/AP hide caption
Oh, I don't wanna share you with nothing else, I gotta have you to myself. iStockphoto hide caption
Dogs throughout Latin America carry the Chagas parasite — and boost the risk of people catching it. And it's not just shelter dogs, like these in Mexico, who are at risk. Even family dogs get the deadly disease. Jose Luis Gonzalez/Reuters/Landov hide caption
In June, the 167th Patrol Dog Class graduated from their canine narcotics and electronic media detection training, held by the Connecticut State Police Canine Unit. At far left is Thoreau, who now helps police in Rhode Island find computer hard drives. Daniel Owen/Courtesy of The Hartford Courant hide caption