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Rare bee documented in watershed

by Sophia Grace Carter August 14, 2024

This photo is one of the first images ever taken of the San Francisco leaf-cutter bee (Trachusa gummifera) in its entirety. The bee had not been seen for decades before One Tam’s community science program found it in Marin County in 2024. This photo was taken by a professional biologist. Wildlife monitoring is conducted with appropriate training and handling under agency permits. © Sara Leon Guerrero/Parks Conservancy

It’s been 44 years since scientists last spotted the elusive San Francisco leaf-cutter bee, a rare species found only in the temperate marine . . .

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