Karine Aigner / Japanese man playing with cats at the Kawaramati Cat Cafe Kyoto, Japan.

Karine Aigner / Person with lure playing with cats at the Kawaramati Cat Cafe, Kyoto, Japan

Karine Aigner / Tabby cat playing with fish toy at Kawaramati Cat Cafe Kyoto, Japan.

Karine Aigner / Woman with cats at Kawaramati Cat Cafe Kyoto, Japan

Karine Aigner / Cats sitting in window at Kawaramati Cat Cafe, Kyoto, Japan

Terry Whittaker / Domestic cat chasing a Red fox (Vulpes vulpes) in an urban garden, Greater Manchester, UK, August 2017. Filmed using a camera trap.

Jane Burton / British Shorthair kittens, Benedict, ginger, and Joan, silver tabby.

Mark Taylor / Black-and-white kitten, Loona, age 11 weeks, arching back.

Mark Taylor / Tabby kitten, Picasso, age 3 months, sleeping on a fluffy rug.

Mark Taylor / Tabby kitten, 6 weeks, standing on hind legs.

Mark Taylor / Tabby kitten, 6 weeks, lying with head up and raised paw.

Mark Taylor / Tabby kitten, 6 weeks, standing.