Coyotes have been known to advance on, growl at or surround dog walkers and their pets, a pattern of aggression that is natural for the wild canines during pupping season, which begins in the spring and continues through the summer. The situation could get more tense, Young said, as the pups in the newest litter reach six to eight weeks of age and begin traveling with the adults around the park.
https://www.sfchronicle.com/bayarea/article/Coyote-alert-SF-is-home-to-seven-new-pups-in-the-12966962.php

A wildlife guide recently spotted the unusual canine in California's Point Reyes National Seashore.

https://news.nationalgeographic.com/2018/06/coyotes-animals-eyes-genetics/

There are two known packs of gray wolves that have recently made California home: the Lassen Pack in western Lassen County and the Shasta Pack, discovered in 2015. One of the Shasta Pack's cubs was spotted in western Nevada in November 2016, but their status is currently unknown.

http://www.sacbee.com/news/state/california/article213047794.html

A local wildlife organization has released a female coyote back into the wild after taking her in for treatment and rehabilitation last month.

The Fund for Animals Wildlife Center, an affiliate of the Humane Society of the United States, reports that she was in great health when released.

https://www.nbclosangeles.com/news/california/Wildlife-Center-Releases-Rancho-Bernardo-Coyote-Back-into-Wild-486485001.html

From May to September is the time when coyotes are raising new additions to their families, so it may seem to the casual observer out walking their dog that there are more than usual.

http://www.laweekly.com/news/summer-brings-increase-in-urban-coyote-sightings-9598450