Least Bell's Vireo Surveys - Tijuana and San Diego Rivers (2017, 2020, 2023)

In 2017, USGS conducted Least Bell's Vireo surveys at the Tijuana River to document the species' status 2 years after the Kuroshio Shothole Borer/Fusarium Dieback infestation and compare it to historic vireo abundance and distribution.

Updated monitoring occurred in 2020 and 2023.

Monitoring
Vertebrate Species
completed
Project Focus

Least Bell's vireo

riparian forest & scrub

Barbara Kus

U.S. Geological Survey, Western Ecological Research Center

Scarlett L. Howell

Annabelle Bernabe

Project Protocol
Least Bell's Vireo Survey Guidelines
192KB LBVireo.2001.protocol.pdf