Month: June 2025

Mussel Memory

A mussel bed along Northern California’s Dillon Beach is as healthy and biodiverse as it was about 80 years ago, when two young graduate students surveyed it shortly before Pearl Harbor was attacked and one was sent to fight in World War II.

Their unpublished, typewritten manuscript sat in the UC Davis Bodega Marine Laboratory’s library for years until UC Davis scientists found it and decided to resurvey the exact same mussel bed with the old paper’s meticulous photos and maps directing their way.

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Puppy Love, Seal Style

Their sleek, torpedo-shaped bodies dive deep and glide gracefully through the sea. On land they “galumph,” rolling back on their hind flippers then belly-flopping forward. Although harbor seals  and other pinnipeds (fin-footed animals, including sea lions and walruses) may seem more at home in water, their distant ancestors once walked the earth.

Like us, harbor seals are warm-blooded, air-breathing mammals with hearts and lungs. The first time I observed a breeding colony, I realized that I have something else in common with females of the species:  We are Moms, fiercely devoted to and protective of our children.

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