If it's not surprising to recognize faces, the goal of Google albums is to classify what you see. The things that have been achieved are the face, the sky, the food, the moon, the bridge, the mountains, the flowers, and so on.
According to Buzz Feed, Google recently announced that Google Photos's face recognition technology upgrades, in addition to human beings, but also to distinguish between different pets, but now limited to cats and dogs.
After the user album with your pet's name, the system will tell the pet, the pet to search for photos, as long as the input name you can find all the photos of it, users can even through the cats and dogs to search for Emoji.
Google said that the technology is still in its infancy, and if there are more than one pet in the album, the system will probably not be able to tell.