1. Institute of the Environment and Sustainability, University of California, Los Angeles, CA, USA.
2. Museum of Vertebrate Zoology, University of California, Berkeley, CA, USA.
3. Department of Biology, San Francisco State University, San Francisco, CA, USA.
4. Department of Environmental Health Sciences, University of California, Los Angeles, CA, USA.
5. Department of Integrative Biology, University of California, Berkeley, CA, USA.