October 6th

International Sloth Day -

Updated on by

Each year on the third Saturday in October, we have the unique opportunity to celebrate one of the planet’s most captivating creatures – the sloth – with International Sloth Day. This singular occasion strives to bring attention to the existence and environment of sloths, underlining the critical need for their preservation.

Sloths, renowned for their leisurely pace and laid-back demeanor, symbolize the significance of slowing down and relishing life’s uncomplicated joys. Regardless of whether you’re passionate about wildlife, a fervent animal enthusiast, or just curious about different global celebrations, International Sloth Day provides a charming experience for all.

History of International Sloth Day

International Sloth Day was established by a renowned non-profit organization, AIUNAU, primarily operating in Colombia, but with a global reach. The organization’s main objective is the safeguarding, rehabilitation, and reintroduction of wildlife, especially those negatively affected by illegal wildlife trade activities.

AIUNAU has been actively working with sloths since the late 1990s. However, they discerned a lack of public awareness about these captivating creatures and the various conservation challenges they face. International Sloth Day was created with a dual purpose. It was a celebration of these extraordinary animals and a platform to spotlight the dangers they face, including habitat destruction, trafficking for exotic pets, and conflicts with humans.

Each year, on October 20, International Sloth Day is celebrated and has been gaining increasing global notice. This day has stimulated an increase in advocacy for the protection of these charming animals, endorsed by the scientific community and wildlife lovers. The day often features various activities including educational talks and fundraising initiatives for sloth protection efforts.

International Sloth Day Timeline

Origin of Sloths

Sloths, as a part of Xenarthra group, are believed to have originated in South America.

Extinction of Ground Sloths

Ground Sloths went extinct during the end of the Pleistocene epoch, around the last ice age.

Discovery by Europeans

Christopher Columbus, on his fourth voyage, was the first European to encounter sloths.

World's First Sloth Sanctuary

The world's very first sloth sanctuary opened in Costa Rica, dedicated to rescue, research, and release of sloths.

Listing as Endangered Species

The pygmy three-toed sloth was listed as critically endangered by the IUCN.

Inception of International Sloth Day

International Sloth Day was initiated by the AIUNAU Foundation, a Colombian non-profit dedicated to protecting wildlife, especially sloths.

Ideas to Celebrate International Sloth Day

1 faq icon

Sloth-themed Movie Marathon

Host a big-screen movie marathon with sloth-themed films such as 'The Croods', 'Zootopia', and 'Ice Age'. Add Sloth-themed snacks and drinks to enhance the fun.

2 faq icon

Adopt A Sloth

Many Zoo or Conservation organizations allow symbolic adoption of sloths. Participate and contribute to sloth conservation initiatives.

3 faq icon

Sloth-themed Party

Throw a sloth themed party at your home. You can use Sloth decorations, table settings and cake.

4 faq icon

Visit a Zoo or Nature Reserve

Plan a trip to your nearest zoo or nature reserve that homes sloths. It is a great opportunity to learn more about these amazing creatures.

5 faq icon

Sloth Knowledge Sharing Session

Invite your friends over for a fun slideshow presentation or trivia quiz about sloths. This will help increase awareness and knowledge about sloths.

9 Interesting Facts About Sloths


Life in Slow Motion

Sloths are the slowest animals in the world, moving about 3 feet per minute.


Stomach Ecosystem

Sloth stomachs have multiple compartments where a community of bacteria helps to break down tough leaves. Digestion can take a month.


Swimming Savvy

Despite their slow movement on land, sloths are surprisingly good swimmers. They can hold their breath for up to 40 minutes.


Camouflaging Masters

Sloths' fur often contains green algae. This not only provides them beneficial nutrients but also a perfect camouflage in trees.


Upside-down Lifestyle

Sloths eat, sleep, mate, give birth and even urinate and defecate from an upside-down position in the trees.


Rare Ground Visit

Sloths descend from trees only once a week to defecate and are vulnerable to predators during this time.


Long Claws

The claws of a sloth, used mainly for hanging onto tree branches, can reach almost 4 inches in length.


Quiet Animals

Sloths are very quiet animals; the only noises they make are small hisses, whistles, or squeals upon danger.


Sleeping Hours

Sloths can sleep up to 15 to 18 hours a day.

International Sloth Day FAQs

Next International Sloth Day Dates

Year Date Day
2023 October 8th Sunday
2024 October 6th Sunday
2025 October 5th Sunday
2026 October 11th Sunday
2027 October 10th Sunday
What is the pattern? Third Saturday in October

International Sloth Day Word Search

  • Sloth
  • Slow
  • Rainforest
  • Mammal
  • Conservation
  • Endangered