Observance Days for Mustelids

The dates below are observed to both celebrate and raise awareness about the welfare, care, or protection of certain mustelid species and subfamilies.

• 10th March | MarTen (or International Marten) Day | Observes all species of marten. This observance day is mostly recognised on social media and online art communities.(1)(2)

• 31st March | European Mink Day | Observes the European mink.(3)

• 2nd April (United States), 5th May (UK) | National Ferret Day | Observes the ferret.(4)(5)

• Last Wednesday of May | World Otter Day | Observes all species of otter.(6)

• 26th September | Black-Footed Ferret Day | Observes the North American polecat (a.k.a. black-footed ferret).(7) This observance day may not be recognised by all conservation groups for the species.

• Last week of September | Sea Otter Awareness Week | Observes the sea otter.(8)

• 6th October | National Badger Day | Observes the British European badger specifically.(9)


  1. Twitter. MartenDay.
  2. Twitter. InternationalMartenDay“.
  3. Polish Society for Conservation Genetics LUTREOLA. European Mink Day – March 31st. Accessed 03 May, 2021.
  4. American Ferret Association, Inc. National Ferret Day. Accessed 03 May, 2021.
  5. Web Holidays.com. April 02, May 05: National Ferret Day. Accessed 09 August, 2021.
  6. The International Otter Survival Fund. Our Current Event. Accessed 03 May, 2021.
  7. Black-Footed Ferret Day. What is BFF Day?. Accessed 03 May, 2021.
  8. Defenders of Wildlife. Sea Otter Awareness Week. Accessed 03 May, 2021.
  9. Badger Trust. National Badger Day. Accessed 03 May, 2021.