USFWS Pacific Southwest Region:
USFWS biologist Jeff Phillips observes roosting monarchs in early morning hours at Ellwood Mesa in Santa Barbara County
USFWS Pacific Southwest Region:
Monarch butterfly at Ellwood Mesa
USFWS Pacific Southwest Region:
USFWS biologists estimate the number of monarchs in each roost
USFWS Pacific Southwest Region:
Monarch butterfly roosts at Ellwood Mesa
USFWS Pacific Southwest Region:
Biologist Lara Drizd observing a monarch burst
USFWS Pacific Southwest Region:
Monarch butterfly roost site at Ellwood Mesa
USFWS Pacific Southwest Region:
Monarch roost
USFWS Pacific Southwest Region:
Two monarchs
USFWS Pacific Southwest Region:
Monarch butterfly rests in grove at Ellwood Mesa
USFWS Pacific Southwest Region:
Viewing Monarchs with Binoculars
USFWS Pacific Southwest Region:
Using a spotting scope to count monarchs at a roost site
USFWS Pacific Southwest Region:
Tagged monarch butterfly
USFWS Pacific Southwest Region:
Tagged monarch amidst cluster
USFWS Pacific Southwest Region:
Overwintering Monarch Butterflies at Ellwood Mesa in December 2015
USFWS Pacific Southwest Region:
Monarch caterpillar
USFWS Pacific Southwest Region:
Overwintering monarchs in Goleta, California
USFWS Pacific Southwest Region:
Overwintering monarchs in Goleta, California
USFWS Pacific Southwest Region:
Overwintering monarchs in Goleta, California
USFWS Pacific Southwest Region:
Overwintering monarchs in Goleta, California