Environmental Consulting, Surveys and Monitoring, Cowbird Trapping

TW Biological Services Sensitive and Endangered Species Surveys

We are an environmental consulting firm located in Southern California specializing in Brown-headed Cowbird trapping, and sensitive and endangered species surveys and monitoring, including Least Bell’s Vireo, California Gnatcatcher, and Southwestern Willow Flycatcher. In addition we also provide general wildlife species surveys, sensitive habitat assessment, habitat restoration monitoring, construction project compliance, and cowbird trap construction.

Established in 1994, we provide biological consulting services throughout Southern California. Our clients include private companies, the United States Military, and public agencies at the federal, state, and local levels.

TW Biological Services, LLC has developed a reputation of exceptional client service. We value and take pride in providing high quality professional services and excellent customer satisfaction.