Here are some recent questions:

What Do River Otters Do When the River Runs Dry in a Drought?

Do Dragonflies Tease Turtles?

Will the Salesforce Tower’s Light-Up Top Affect Birds?

What Do I Do About Poison Hemlock Near My Yard?

Does the Moon Phase Affect Frog Calls?

Unusual bird? Weird bug? Something strange or interesting in Bay Area nature? 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. You can read all the past questions and answers below.

So tell us … what do you want to know?