The female blue-eyed kittens, now known as P-66, P-67, P-68 and P-69, were found on June 11 while their mother, P-62, was away from her den, the National Park Service announced Tuesday.

And blue-eyed cats, like Siamese, often lack a tapetum lucidum altogether. When you detect a pair of eyes staring back at you in the night (hopefully, not in your car headlights), what factors ...

The female blue-eyed kittens, now known as P-66, P-67, P-68 and P-69, were found on June 11 while their mother, P-62, was away from her den, the National Park Service announced Tuesday.