There is another nonnative sparrow in North America that is less familiar to us. This is the Eurasian tree sparrow, a cousin of the invasive and highly aggressive house sparrow.
Tag: sparrow control
Eurasian Tree Sparrows vs. the House Sparrow’s – Nonnative Twins
If you live in certain areas in the US, particularly St. Louis, MO, you didn’t see two male house sparrows in your birdhouse, you saw its invasive cousin, the Eurasian tree sparrow. There are distinct features such as a dot on the cheek and a full chestnut colored cap that can help you tell the difference. And both male and females have the same patterns.