Researchers found that urban female sparrows invest more time and energy into parental care than their rural counterparts, ...

I doubt any species in this country is more overlooked than the house sparrow. In fact, they are actively despised by many because they are an exotic, invasive species. What’s more, they can bomb your ...

Many familiar birds of the urban environments represent species that were introduced from outside of North America. In Iowa, these include rock pigeon, European starling and house sparrow, which was ...