Corvids move noisily into new areas. Are they arriving, or returning?
Are There More Crows and Ravens in the Bay Area These Days?
March 27, 2018 •
Ask the Naturalist
What do you want to know about the natural world? Thanks to donations from readers like you, Bay Nature has teamed up with the naturalists at the California Center for Natural History to answer your questions about the world every other Tuesday. Some questions find their way to naturalist Michael Ellis, whose answers appear in our quarterly print magazine. Email us your questions at atn@baynature.org!
If I Pull Invasive Ivy Down from Trees, Does it Hurt the Ecosystem?
March 13, 2018 •
A reader wonders: should I pull out creeping ivy, or has it created its own ecosystem with plants and animals that rely on it?
How Do You Identify Small Brown Moths?
February 27, 2018 •
A reader finds a small brown moth, the type you regularly see under porchlights. Where do you begin to identify it?
Ask the Naturalist: What Are These Mysterious Tiny “Eggs”?
February 14, 2018 •
A reader finds what looks like pomegranate seeds at the base of her maple tree. Are they eggs? Galls? Or something else?
Remember When Octopuses Thrived in the San Francisco Bay
January 30, 2018 •
Do octopus live in the Bay? Marine biologist Andrew Cohen’s answer may surprise you.
Why Do You Find So Many Monarchs on Eucalyptus Trees?
January 16, 2018 •
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 3, 2018 •
A reader found a huge spider. Is it a tarantula?
Which Bay Area Salamanders Drop Their Tails?
January 2, 2018 •
How does a salamander drop its tail, and how many times can it do it?
Ask the Naturalist: What Is This Gelatinous Mass on the Juncus Leaves?
December 19, 2017 •
An Ask the Naturalist reader finds some egg-looking things on Juncus leaves. What are they?
Ask the Naturalist: Is This a Turkey’s Tail Mushroom? How Do I Tell?
December 5, 2017 •
What kind of mushroom is this?