TY  - RPRT
TI  - Density dependence and habitat selection affect overwintering abundance of monarch butterflies at regional and site scales in California
AU  - Peter Christian Ibsen
AU  - Zachary H. Ancona
AU  - Emma Pelton
AU  - Stephanie Little
AU  - James E. Diffendorfer
PY  - 2026
DO  - 10.1111/csp2.70253
UR  - https://pubs.usgs.gov/publication/70274538
ID  - 70274538
ER  -