U.S. Fish & Wildlife Service

Sacramento Fish & Wildlife OfficeServing the people, conserving the fish, wildlife, and plants of California

A Unit Of The Pacific Southwest Region


Bay checkerspot butterfly

Photo: John Cleckler, USFWS

The invertebrates shown on this page occur within our service area and are listed, proposed or candidate for listing under the Federal Endangered Species Act. Get a list of all listed, proposed and candidate species within our jurisdiction.

Sacramento Fish & Wildlife Office


Butterflies & Moths


Species Info for Kids

We have some species accounts for 4th, 5th and 6th grade students, including:

Last updated: April 3, 2018