Species and Conservation Calendar

Days worth building real work around

Each entry carries its organizing body, the page the date came from, and the recurring rule behind it. Days that move each year are stored as rules, so they do not go stale.

Illustration of Pango, a pangolin guide character with overlapping brown keratin scales, a small pointed head, long tail, and strong digging claws, standing beside a termite mound in dry savanna woodland.

“Pick one day. Do one real thing on it. That is how a calendar becomes conservation.” — Pango, illustrated guide

Confirmed observances

Ordered by the next date each one falls on.

  • World Wetlands Day

    Tuesday, 2 February 2027

    2 February every year

    Marks the adoption of the Convention on Wetlands and draws attention to marshes, bogs, springs, and coastal wetlands as working habitat.

    One thing to do: Walk a local wetland or creek and record what you see; if a volunteer group maintains it, join one work day.

    Whooping CraneHouston ToadPiping Plover

    Organized by Convention on Wetlands (Ramsar) / United Nations. Source

  • World Pangolin Day

    Saturday, 20 February 2027

    Third Saturday in February every year

    A single day each year devoted to the world's most trafficked wild mammals, and to the people working to stop that trade.

    One thing to do: Teach one group of people what a pangolin actually is, and that its scales are keratin — the same material as fingernails.

    Sunda PangolinChinese PangolinTemminck's Ground Pangolin

    Organized by World Pangolin Day campaign, supported by pangolin conservation organizations. Source · Full page on this site

  • World Wildlife Day

    Wednesday, 3 March 2027

    3 March every year

    United Nations day for wild animals and plants, marking the signing of CITES, the treaty governing international trade in wild species.

    One thing to do: Read one species profile with a child or a class and follow the trade or habitat thread behind it.

    Sunda PangolinAmur LeopardSumatran Orangutan

    Organized by United Nations (CITES Secretariat). Source

  • Earth Day

    Thursday, 22 April 2027

    22 April every year

    The broadest environmental observance of the year, and the easiest to attach real local work to.

    One thing to do: Organize a creek or roadside cleanup, or plant a native patch that someone has agreed to maintain afterwards.

    Organized by EARTHDAY.ORG. Source

  • World Migratory Bird Day

    Saturday, 8 May 2027

    Second Saturday in May (Canada and the United States) and the second Saturday in October (Mexico, Central and South America, and the Caribbean)

    A twice-yearly campaign timed to the two great migration seasons, focused on the habitat birds need at both ends of a journey and everywhere between.

    One thing to do: Turn off unnecessary night lighting during migration, keep cats indoors, and make one window collision-safe.

    Rufa Red KnotPiping PloverPurple MartinChimney Swift

    Organized by Environment for the Americas with UN Environment treaty partners. Source

  • World Bee Day

    Thursday, 20 May 2027

    20 May every year

    A United Nations observance for bees and other pollinators, and for the food systems that depend on them.

    One thing to do: Leave one area unmowed through the flowering season and plant natives that bloom early and late.

    Rusty Patched Bumble BeeWestern Bumble BeeFranklin's Bumble Bee

    Organized by United Nations / Food and Agriculture Organization. Source

  • Endangered Species Day

    Friday, 21 May 2027

    Third Friday in May every year

    Started in 2006 by the United States Congress, and now marked internationally by zoos, refuges, schools, parks, and libraries.

    One thing to do: Pick one listed species near you, learn why it was listed, and support the habitat work already underway for it.

    Black-footed FerretWhooping CraneCalifornia Condor

    Organized by Endangered Species Coalition. Source · Full page on this site

  • World Turtle Day

    Sunday, 23 May 2027

    23 May every year

    A day for turtles and tortoises, founded by American Tortoise Rescue.

    One thing to do: Never take a wild turtle home, and help one cross a road in the direction it was already heading.

    Eastern Box TurtleGopher TortoiseGreen Sea TurtleKemp's Ridley Sea Turtle

    Organized by American Tortoise Rescue. Source

  • World Environment Day

    Saturday, 5 June 2027

    5 June every year

    The United Nations' principal day for environmental action, with a theme set each year.

    One thing to do: Match the year's theme to one measurable local project rather than a statement.

    Organized by United Nations Environment Programme. Source

  • World Oceans Day

    Tuesday, 8 June 2027

    8 June every year

    A United Nations day for ocean health, fisheries, and the species that depend on both.

    One thing to do: Run an inland cleanup: most ocean litter starts at a storm drain a long way from the coast.

    Kemp's Ridley Sea TurtleNorth Atlantic Right WhaleElkhorn Coral

    Organized by United Nations. Source

  • World Elephant Day

    Thursday, 12 August 2027

    12 August every year

    Launched in 2012 for Asian and African elephants and the pressures they face.

    One thing to do: Support anti-trafficking and habitat-corridor work rather than captive attractions.

    African Forest Elephant

    Organized by World Elephant Day. Source

  • World Rhino Day

    Wednesday, 22 September 2027

    22 September every year

    Celebrates all five rhinoceros species — black, white, greater one-horned, Sumatran, and Javan.

    One thing to do: Learn which rhino is rarest and where the last population actually lives.

    Javan Rhinoceros

    Organized by World Rhino Day, first announced by WWF-South Africa in 2010. Source

  • Bat Week

    24 October – 31 October 2027

    24–31 October every year

    An international week for bats, their role in insect control and pollination, and the diseases and habitat loss pressing on them.

    One thing to do: Avoid disturbing roosts and caves, and support white-nose syndrome research and monitoring.

    Tricolored BatLittle Brown BatMexican Long-nosed BatMexican Free-tailed Bat

    Organized by Bat Week, organized by North American conservation organizations and agencies. Source

  • Pollinator Week

    22–28 June (2026)

    A full Monday-to-Sunday week in late June, announced each year by Pollinator Partnership

    A week of pollinator events and planting, organized internationally by Pollinator Partnership.

    One thing to do: Plant a native pollinator patch and commit to leaving the stems standing over winter.

    Monarch ButterflyKarner Blue ButterflyRegal Fritillary

    Organized by Pollinator Partnership. Source

Being verified

These observances are widely marked, but they are not published here until the date and organizing body are confirmed against a primary source.

  • Global Tiger Day

    Date and organizing body being confirmed against a primary source.

  • World Gorilla Day

    Date and organizing body being confirmed against a primary source.

  • World Sea Turtle Day

    Date and organizing body being confirmed against a primary source.

  • National Wildlife Refuge Week

    Recurring rule being confirmed with the U.S. Fish and Wildlife Service.