We are sorry to ask folks to give up a source of great joy during our long shutdown. However, due to an outbreak of salmonella poison that is killing pine siskins and other small finches, authorities including the California Department of Fish and Wildlife have advised taking down bird feeders, probably until spring. Oregon and Washington have similar alerts.
You will find many news articles with an internet search.
Information with detailed instructions from the Sonoma Bird Rescue Center is here: https://birdrescuecenter.org/salmonellosis/
The request from the California Department of Fish and Wildlife is here: https://cdfgnews.wordpress.com/2021/02/08/salmonellosis-outbreak-causing-songbird-deaths/
Please pass this on.