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Nature News

Why Do You Find So Many Monarchs on Eucalyptus Trees?

January 16, 2018 by Liam O'Brien

Monarch butterflies are often found in huge clusters on eucalyptus trees. Why do they seemingly prefer these non-natives?


Ask the Naturalist: Look a Big Spider in the Mouth to Tell if It’s a Tarantula or Not

January 03, 2018 by Tony Iwane

A reader found a huge spider. Is it a tarantula?


There Is No “No-Fire” Option in California

January 02, 2018 by Zach St. George

The most destructive wildfire season in California history has nearly ended. Will this be the new pattern — or can we bring fire back on our own terms?


Coyote Tracker: San Francisco’s Uneasy Embrace of a Predator’s Return

January 02, 2018 by Kim Todd

Coyotes have returned to San Francisco. Now, for the first time, ecologists are gaining insight into how and where these urban predators live.


Birding By Kayak at Big Break Regional Shoreline in the East Bay

January 02, 2018 by Victoria Schlesinger

Big Break, near the confluence of the San Joaquin and Sacramento Rivers, is a hotspot for birds. A great way to see them is by kayak.


Bay Nature