Yerba Buena Island habitat and wildlife surveys

Read and download prior surveys of Yerba Buena Island wildlife and habitat.

Documents

Birds and wildlife surveys

Birds and wildlife of Yerba Buena Island: May-July 2016 September 1, 2016

Observations and document prepared by Josiah Clark, Consulting Ecologist
Birds and wildlife of Yerba Buena Island: March-June 2017 September 1, 2017

Observations and document prepared by Josiah Clark, Consulting Ecologist
Breeding bird populations and trends on YBI vs TI in San Francisco Bay April 2, 2019

A report on observed breeding bird populations and trends on Yerba Buena Island vs Treasure Island between spring 2016 and spring 2019.  Observations and document prepared by Josiah Clark, Consulting Ecologist.
EBird Checklist for November 23, 2024 YBI Winter Bird Walk November 23, 2024

A checklist of bird species observed by Cédric Duhalde, lead guide, during the first annual YBI Winter Bird Walk held on November 23, 2024 on Yerba Buena Island.  Checklist is assembled on the EBird.org platform and includes links to images and more information about individual species observed. 

Intertidal and eelgrass

Yerba Buena Island inter-tidal and eelgrass surveys: 2019-2021 September 20, 2021

Authors: Alison N. Young and Rebecca F. Johnson, California Academy of Sciences

Butterflies

Summation of field work - 2021 Yerba Buena Island butterfly inventory December 31, 2021

Observations and document by Liam O'Brien, Consulting Lepidopterist

Departments

Treasure Island Development Authority