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Animals Nature Environment observances

Broad observances connecting animals, wildlife, ecosystems and environmental stewardship.

289 records

Authority records

Source-backedEdition Specific

Take Your Dog To Work Day®

26 June 2026 edition verified · International workplace campaign / Pet Sitters International organizer

Pet Sitters International’s current materials identify Friday, June 26, 2026 for Take Your Dog To Work Day and explain that PSI established the event in 1999 to celebrate dogs and promote a…

Source-backedFixed Annual

Take Your Houseplants for a Walk Day

27 July · United States / creator-defined informal Wellcat observance

Wellcat Holidays lists Take Your Houseplants for a Walk Day on July 27.

Source-backedFixed Annual

Thankful for My Dog Day

23 November · Informal pet-appreciation calendar usage documented by a veterinary institution

The Animal Medical Center lists Thankful for My Dog Day on November 23 in consecutive annual pet-awareness calendars.

Source-backedRule Based Annual

The National Dog Show Presented by Purina — Thanksgiving Day broadcast

U.S. Thanksgiving Day broadcast; 26 November 2026; 2026 show held 14–15 November · United States / Kennel Club of Philadelphia National Dog Show television event

The National Dog Show states that its Saturday show is taped for nationwide NBC telecast on Thanksgiving Day; its 2026 event schedule is November 14–15.

Source-backedHistorical Legacy

The Seeing Eye incorporation anniversary

29 January 1929 · The Seeing Eye / guide-dog organization history

The Seeing Eye’s official history says the organization was incorporated in Nashville, Tennessee, on January 29, 1929. The SEO title is therefore treated as a founding-anniversary alias rat…

Source-backedRule Based Annual

Tree Dressing Day

First weekend of December · United Kingdom / Common Ground community tree celebration

Common Ground states that Tree Dressing Day falls on the first weekend of December and was initiated by the organization in 1990.

Source-backedFixed Annual

Turtle Adoption Day

27 November · Informal turtle-rescue/adoption awareness observance traced to Christine Shaw in 2011

ECOcalendar describes Turtle Adoption Day on 27 November and traces its establishment to a 2011 Christine Shaw blog post; independent observance documentation likewise records 27 November a…

Source-backedFixed Annual

Ugliest Dog Day

20 June · Informal pet-awareness calendar usage; separate from any independently scheduled “World’s Ugliest Dog” contest event

The Animal Medical Center lists Ugliest Dog Day on June 20 in its 2025 and 2026 annual pet-awareness calendars.

Source-backedFixed Annual

Visit the Zoo Day

27 December · Informal animal/zoo-interest calendar usage documented by a veterinary institution

The Animal Medical Center lists Visit the Zoo Day on December 27 in multiple annual pet-awareness calendars, including 2022, 2025 and 2026.

Source-backedFixed Annual

What if Cats & Dogs Had Opposable Thumbs Day

3 March · United States / creator-defined informal Wellcat observance

The first-party Wellcat Holidays calendar lists What if Cats & Dogs Had Opposable Thumbs Day on March 3 and identifies the collection as created by Thomas and Ruth Roy.

Source-backedFixed Annual

Whooping Crane Day

28 May · North America / whooping-crane conservation awareness observance

Houston Zoo states that Whooping Crane Day takes place on May 28 each year, and the International Crane Foundation independently promoted Whooping Crane Day for May 28 in 2026.

Source-backedEdition Specific

Whooping Crane Festival

19–22 February 2026 · Port Aransas, Texas / 29th festival

Port Aransas tourism’s official site lists the 2026 Whooping Crane Festival for 19–22 February and describes it as the 29th anniversary festival focused on the returning cranes.

Source-backedFixed Annual

Wild Koala Day

3 May · international wild-koala awareness and conservation observance

Wild Koala Day organizers

Source-backedHistorical Legacy

Wildlife Conservation Day (U.S. State Department 2012 campaign)

4 December in the documented 2012 campaign · U.S. Department of State / historical wildlife-conservation campaign

Archived U.S. Department of State material says U.S. missions marked Wildlife Conservation Day on 4 December 2012.

Source-backedFixed Annual

World Animal Day

4 October · Organizer-backed global animal-welfare observance

World Animal Day movement

Source-backedEdition Specific

World Animal Reiki Day

5 February; first-party 2026 edition verified · Global / Shelter Animal Reiki Association observance

The Shelter Animal Reiki Association identifies 5 February as World Animal Reiki Day and documents the 2026 edition and the observance’s organizer history.

Source-backedFixed Annual

World Bamboo Day

18 September · Organizer-backed global sustainability observance

World Bamboo Organization (WBO)

Source-backedFixed AnnualIn-depth guide

World Bee Day

20 May · FAO / United Nations / international observance

A/RES/72/211

Source-backedFixed Annual

World Bonobo Day

14 February · global bonobo awareness and conservation observance

The Bonobo Project / Friends of Bonobos

Source-backedFixed AnnualIn-depth guide

World Cleanup Day

20 September · United Nations / international observance

A/RES/78/122

Source-backedFixed Annual

World Coconut Day

2 September · Intergovernmental-body-backed sector observance

International Coconut Community (ICC)

Source-backedFixed AnnualIn-depth guide

World Cotton Day

7 October · FAO / United Nations / international observance

A/RES/75/318

Source-backedFixed Annual

World Curlew Day

21 April · international curlew conservation awareness observance

Curlew Action

Source-backedFixed Annual

World Day for Animals in Laboratories

24 April annually · International / animal-research advocacy observance

The campaign’s official history identifies 24 April and traces the observance to 1979; NAVS also marks the date in current advocacy material.

Source-backedFixed Annual

World Day for Farmed Animals

2 October annually · Global / Farm Animal Rights Movement (FARM) campaign

FARM’s organizational history says World Farm Animals Day began in 1983 and is now called World Day for Farmed Animals; FARM reporting identifies the annual observance date as 2 October.

Source-backedFixed AnnualIn-depth guide

World Day for Glaciers

21 March · United Nations / international observance

A/RES/77/158

Source-backedEdition Specific

World Donkey Day

8 May; current sanctuary material marks Friday 8 May 2026 · Donkey welfare and appreciation observance

The Isle of Wight Donkey Sanctuary’s current 2026 programme explicitly marks World Donkey Day on Friday 8 May and builds welfare-focused programming around the observance.

Source-backedFixed Annual

World Elephant Day

12 August · international elephant conservation awareness observance

World Elephant Day campaign

Source-backedFixed AnnualIn-depth guide

World Environment Day

5 June · United Nations Environment Programme global observance

A/RES/2994 (XXVII)

Source-backedEdition Specific

World Fish Migration Day

23 May 2026; global culmination every two years · World Fish Migration Day organizers / global awareness event

The organizer states that World Fish Migration Day culminates every two years and identifies 23 May 2026 as the seventh edition.

Source-backedFixed Annual

World Frog Day

20 March annually · International / amphibian conservation awareness

The current World Frog Day platform says the observance is held every year on 20 March and is organized by SAVE THE FROGS!; its own history notes earlier informal use of the date.

Source-backedFixed Annual

World Giraffe Day

21 June annually · International / Giraffe Conservation Foundation campaign

The Giraffe Conservation Foundation states that it initiated World Giraffe Day and that the annual event is held on June 21 every year.

Source-backedFixed Annual

World Green Roof Day

6 June · international green-roof design and urban-greening observance

World Green Roof Day organizers; founded in 2020

Source-backedFixed Annual

World Hamster Day

12 April · Informal animal-awareness calendar usage; canonical source wording is “World Hamster Day”

The Animal Medical Center repeatedly lists World Hamster Day on April 12 in annual pet-awareness calendars.

Source-backedFixed Annual

World Hippo Day

15 February in cited zoo observances · Hippopotamus awareness and conservation observance

Zoos SA’s current World Hippo Day material uses 15 February, while public-zoo observance records provide institutional support for the same date.

Source-backedFixed AnnualIn-depth guide

World Horse Day

11 July · United Nations / international observance

A/RES/79/291

Source-backedFixed Annual

World Jellyfish Day

3 November · Informal worldwide animal-awareness usage; “World” naming is institutionally documented but not presented as intergovernmental designation

NOAA Ocean Exploration published “Happy World Jellyfish Day” on November 3, 2019 and explicitly stated that the day was being observed then; Vancouver Aquarium also labels World Jellyfish D…

Source-backedFixed AnnualIn-depth guide

World Lake Day

27 August · United Nations / international observance

A/RES/79/142

Source-backedRule Based Annual

World Lemur Day

Last Friday of October · global lemur and Madagascar conservation observance

Lemur Conservation Network / World Lemur Festival

Source-backedFixed Annual

World Lion Day

10 August · international lion-awareness and conservation observance

Organizer-origin observance corroborated by Government of India wildlife communications

Source-backedFixed Annual

World Lizard Day

14 August annually in cited zoo practice · Lizard awareness and reptile-education observance

Akron Zoo states that World Lizard Day is celebrated each year on 14 August and uses the observance for reptile education.

Source-backedFixed AnnualIn-depth guide

World Meteorological Day

23 March · WMO / United Nations / international observance

WMO/EC-XII/Res.6

Source-backedRule Based AnnualIn-depth guide

World Migratory Bird Day

Second Saturday of May and second Saturday of October · UNEP-supported global conservation campaign

UNEP / CMS / AEWA partner campaign

Source-backedRule Based Annual

World Naked Gardening Day

First Saturday in May; 2 May in 2026 · International grassroots gardening/body-acceptance observance

The Naturist Education Foundation’s WNGD page states that World Naked Gardening Day is always the first Saturday in May and gives 2 May 2026.

Source-backedEdition Specific

World Nature Conservation Day

28 July 2026 · India / National Zoological Park and Ministry of Environment, Forest and Climate Change event context

India’s Press Information Bureau reports that the National Zoological Park in New Delhi celebrated World Nature Conservation Day on 28 July 2026. This verifies the 2026 government-instituti…

Source-backedRule Based Annual

World Numbat Day

First Saturday of November annually · Project Numbat / conservation awareness observance

Project Numbat states that after its inaugural 2015 event, World Numbat Day would be celebrated on the first Saturday of November.

Source-backedFixed AnnualIn-depth guide

World Oceans Day

8 June · United Nations international observance

A/RES/63/111

Source-backedFixed Annual

World Octopus Day

8 October annually in cited animal-welfare and aquarium sources · Octopus awareness, welfare and marine-life education observance

World Animal Protection identifies 8 October as World Octopus Day, and Birch Aquarium at UC San Diego has documented 8 October programming for the observance.

Source-backedFixed AnnualIn-depth guide

World Olive Tree Day

26 November · UNESCO international day

Proclaimed at UNESCO’s 40th General Conference (2019)

Source-backedRule Based Annual

World Pangolin Day

Third Saturday of February · international pangolin conservation awareness observance

IUCN SSC Pangolin Specialist Group / World Pangolin Day movement

Source-backedFixed Annual

World Parrot Day

31 May · global parrot awareness and conservation observance

World Parrot Trust

Source-backedFixed Annual

World Penguin Day

25 April in current Penguins International observance · International / penguin conservation awareness

Penguins International’s World Penguin Day page identifies 25 April as the observance date and frames it around penguin awareness and conservation.

Source-backedFixed Annual

World Plant Milk Day

22 August annually · Global / World Plant Milk Day campaign

The World Plant Milk Day campaign identifies 22 August as its annual date, while ProVeg documents the campaign’s 2017 launch with Plant Based News.

Source-backedFixed Annual

World Rainforest Day

22 June annually · Rainforest Partnership / global conservation campaign

Rainforest Partnership states that it founded World Rainforest Day in 2017 and identifies the observance date as 22 June.

Source-backedFixed Annual

World Rhino Day

22 September · international rhino awareness and conservation observance

World Rhino Day campaign; first announced by WWF-South Africa

Source-backedRule Based Annual

World Rivers Day

Fourth Sunday of September · international river-awareness and stewardship observance

World Rivers Day organizers; global initiative launched in 2005 alongside the UN Water for Life Decade

Source-backedFixed Annual

World Sea Turtle Day

16 June annually · Global conservation observance

Thailand’s Department of Marine and Coastal Resources identifies 16 June each year as World Sea Turtle Day.

Source-backedFixed AnnualIn-depth guide

World Seagrass Day

1 March · United Nations / international observance

A/RES/76/265

Source-backedEdition Specific

World Snake Day

16 July in cited 2026 and government-zoo observances · Snake awareness, education and conservation observance

Lincoln Park Zoo schedules World Snake Day on 16 July 2026, and India’s National Zoological Park has documented its own 16 July World Snake Day observance through the Press Information Bure…

Source-backedFixed AnnualIn-depth guide

World Soil Day

5 December · FAO / United Nations / international observance

A/RES/68/232

Source-backedFixed Annual

World Sparrow Day

20 March annually; 20 March 2026 verified · International / Nature Forever Society-led conservation initiative

The official World Sparrow Day site states that the initiative is observed annually on March 20, was initiated in 2010 by Nature Forever Society with partners, and lists March 20, 2026 for…

Source-backedRule Based Annual

World Spay Day

Fourth Tuesday of February · companion-animal spay/neuter awareness observance

Humane Society Veterinary Medical Association / Humane Society partners

Source-backedFixed Annual

World Tapir Day

27 April · global tapir awareness and conservation observance

World Tapir Day organization

Source-backedVariable Custom

World Topiary Day

Annual May date set by the organizer (historically centered around 12 May) · international topiary-art and garden-heritage observance

Levens Hall, founder and organizer

Source-backedFixed AnnualIn-depth guide

World Tuna Day

2 May · United Nations / international observance

A/RES/71/124

Source-backedFixed Annual

World Turtle Day®

23 May annually; 23 May 2026 verified · International / American Tortoise Rescue campaign

The official World Turtle Day site states that American Tortoise Rescue founded the observance in 2000 and that World Turtle Day is held annually on May 23; its 2026 release marks the 26th…

Source-backedFixed AnnualIn-depth guide

World Water Day

22 March · United Nations international observance

A/RES/47/193

Source-backedFixed Annual

World Water Monitoring Day

18 September · international water-quality awareness and citizen-action observance

EarthEcho International / Water Challenge program

Source-backedFixed AnnualIn-depth guide

World Wetlands Day

2 February · United Nations / international observance

A/RES/75/317

Source-backedEdition Specific

World Whale Day

15 February 2026 parade; 9–15 February 2026 program · Maui, Hawaiʻi / Pacific Whale Foundation organizer edition

Pacific Whale Foundation’s current 45th Annual World Whale Day program runs 9–15 February 2026 and culminates in the World Whale Day Parade on 15 February.

Source-backedFixed AnnualIn-depth guide

World Wildlife Day

3 March · United Nations international observance

A/RES/68/205