Since we last checked up on them, the National Zoo’s cheetah cubs have grown. They’re a little bigger, but we’ll be damned if they still aren’t the cutest little future killing machines we’ve ever seen.

Admit it: May was kind of a rough month. The days turned long, but the weather got hot and sticky. Work was a slog. Enjoy the last day of May with a recap of National Zoo animals.

Admit it: It’s nearly impossible not to melt upon looking at the newest arrivals to the Smithsonian’s National Zoo. These two cheetah cubs are utterly adorable, but the story of how they arrived at the zoo is a bit harrowing.

Betty White visited the National Zoo today and got a private tour of the giant pandas, fluffy little kiwis and other specimens. If this isn’t the most SEO-friendly thing ever, we don’t know what is.

Betty White is doing two events with the National Zoo this week. Unfortunately, they’re both sold out, but you can still look at photos of Betty White, animals and Betty White with animals.

The Smithsonian’s National Zoo is introducing a family of 11 Asian small-clawed otters to the public tomorrow. Obviously, the otters are pretty damned cute.

We here at DCist aren’t lucky enough to have our own litter of lion cubs (yet…), but we do have some cute pets. But which is cutest was recently a topic of heated debate, and we’ve decided to settle it the only way America knows how — voting.