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.
Name: Least Bell's Vireo Survey Guidelines
Project type: Monitoring
Target species: Least Bell's vireo
Target vegetation: riparian forest & scrub
Investigator: Barbara Kus
Main implementing entity: U.S. Geological Survey, Western Ecological Research Center
Point of contact: Scarlett L. Howell
SDMMP lead: Annabelle Bernabe