As was predicted earlier this year, evening grosbeaks are starting to appear in our area. They have a superficial resemblance to American goldfinches, but they are much larger. This one is either an ...
Well, these folks really nailed it this year, which was an outstanding year for spruce budworms (a type of caterpillar that feeds on spruce trees) and the many species of finches that feed on them.
During some years in the 1960s and 1970s, thousands of evening grosbeaks visited Pennsylvania, often in flocks of 50 or more. But a massive decline has conservationists puzzled.