Whale-come back! The Marine Mammal Center's hospital and visitor center in Sausalito, California, has reopened to the public! Tickets are free but must be reserved online in advance. For important health and safety policies and to reserve your tickets, see MarineMammalCenter.org/visit.

Two post monarch butterfly earrings.

Monarch Butterfly Post Earrings

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While monarch butterflies are not marine mammals, they are a frequent sight in California, where they spend the winter clustered in eucalyptus, pine, and cypress trees along the central California coast.


  • Approximately 0.5 in. W x 0.5 in. H.
  • Post earrings with rubber backs.
  • Surgical steel* posts.
  • Made in Longmont, Colorado with materials purchased from U.S. companies.

*Please note that while this type of metal is very unlikely to cause an allergic reaction, individuals may have differing levels or types of metal sensitivity.