Chinook Salmon (Oncorhynchus tshawytscha) Also known as King Salmon or Spring Salmon The Cosumnes River was once abundant with migratory Chinook Salmon in the late fall through early spring. In other river systems, such as the Sacramento, American, and Feather

Many visitors have asked excellent questions about when and why we flood the wetland ponds during the fall and winter at the Preserve. In this video, we’ll inform you on a few of the reasons we flood the ponds and

Yellow-Billed Magpie (Pica nuttali) by Emily Anderson What? A yellow-billed magpie is a clamorous bird in the blackbird family. It has a large band of white that wraps from its belly up to its shoulders. They have shimmery-blue backs, wings,

Steelhead Trout (Oncorhynchus mykiss) What are Steelhead Trout? Steelhead is a name for rainbow trout that are anadromous (Oncorhynchus mykiss). Anadromous means that the fish migrate from a freshwater river to the ocean, then back up the river to spawn.

Bobcats are beautiful creatures that live in Cosumnes River Preserve and all throughout the state. They are known for their “bobbed” tail and graceful presence. Learn more about the bobcat by reading this article, written by a Preserve volunteer!