To make sure that an animal is healthy and developing normally, professional caregivers have to measure its size and weight. But it’s not always easy for either party. So zookeepers and shelter workers invent different ways to weigh their fosterlings, and some of them are really unusual while others are downright adorable.

Bright Side would like to show you 17 photos that display how you can weigh different kinds of animals.

17. To calm down a baby koala, zookeepers sometimes use a tree limb…

© Kangaroo Island Koala and Wildlife Rescue Centre / facebook

16. …or a plush toy!

© RZSS / MEGA / Mega Agency/ East News

15. “At a bird banding station, we use burritos to weigh the owls we catch.”

© birdnerd111 / reddit

14. This baby panda seems to be comfortable on the scale.

13. If you want to weigh a lemur, turn the process into a game.

© picture alliance / Contributor / picture alliance / Getty Images

12. How to prevent a penguin from running away:

© EmWritesScience / twitter

11. There are special spoons to weigh small frogs.

© AFP / East News

10. Turns out, sea lions like posing while being weighed.

9. Baby bats aren’t afraid of being weighed either.

© lizardschwartz / reddit

8. To weigh a tiger cub, you can use a bucket.

© ChinaImages / depositphotos.com, © ChinaImages / depositphotos.com

7. This baby elephant is bravely standing on the scale on its own.

© Jochen Luebke / Staff / DDP / Getty Images

6. Just place a tree branch on the scale and you’ll be able to weigh any bird.

© Photoshot / Reporter / East News

5. “Today at the zoo, I learned how zookeepers weigh turtles: upside down on a can.”

© amyngyn / twitter

4. Kittens have to be tricked into being weighed.

© Adamhanley / reddit

3. The easiest way to weigh a wild sloth

© SamTrull / twitter

2. To weigh a squirrel monkey, you should put some mealworms into a bucket attached to the scale.

© Elliott Franks / Eyevine / East News

1. How to weigh a prairie dog — step 1: lure him with a walnut.

The end.

© ZookeeperCasi / twitter

Does your pet like getting weighed? We’d like to see their photos in the comments!