In veterinary clinic waiting rooms from Mexico City to Buenos Aires, a familiar pattern echoes: “Luna!” calls a pet owner, and multiple dogs or cats might respond. This isn’t just anecdotal—microchip ...

The tiny, feisty Chihuahua is a relic of sorts. As European settlers arrived in the Americas 500 years ago, their dogs quickly replaced native canines, obliterating detectable genetic traces of ...

Across Latin America, free-ranging and domestic dogs pose a threat to endangered wildlife, including several small cat species, conservationists say. Dogs entering forests or protected areas can ...