For US conservation purposes, you should euthanize house sparrows to prevent them from harming native wildlife. House sparrows should never be relocated. Humane methods of dispatch include cervical dislocation, using a pellet gun, CO2 and the blow method.
Tag: house sparrow
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.