Mammals

Mammals can be categorized into three types based on their active hours. Nocturnal mammals are active during the night, while diurnal mammals are active during the day. Some mammals are crepuscular, active during dusk and dawn.

Here’s a list of some mammals you might find out and about in San Diego County:

Animal tracks are a great way to find out what’s been out there while you were gone. Next time you’re out on the trail, check the ground to see if you find any animal tracks!

Posts about Mammals from the Nature Notebook