Beaver Day is a fine time to hike to a beaver pond, arrange a display of books in your library, show a beaver video, and/or otherwise spread the word about nature’s engineer.

Jaarlijks wordt er op Wereldproefdierendag, 24 april, stil gestaan bij de vele dieren die in laboratoria zijn overleden.

April 25th is World Penguin Day. This celebratory day coincides with the annual northern migration of Adelie penguins.

World Tapir Day is celebrated on 27 April each year and exists to raise awareness about the species of tapir that inhabit Central and South America and Southeast Asia and to raise funds to purchase land to protect it from human encroachment.

Amphibian Week was started in 2020 by the Partners in Amphibian and Reptile Conservation (PARC) and partners to increase awareness about amphibians and to celebrate all things amphibian, it is celebrated annually the first full week of May.

World Bee Day is celebrated on 20 May, on this day Anton Janša, the pioneer of beekeeping, was baptized in 1734.