How much does it matter where you are born, or whether you are heavy or light, if you are a house sparrow? Researcher Kenneth ...
The house sparrow is about 15 centimeters long and weighs about 25–35 grams. It has brown and black striped upperparts and gray undersides. The male has a black throat patch and gray skullcap, while ...
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 ...