For animals exploring new territory, taking risks is key to survival. But eating unfamiliar foods can be dicey, since they might contain new pathogens and parasites. One avian immune system, however, ...

The house sparrow's Latin name is Passer domesticus. Passer is Latin for sparrow. Domesticus is you in your house and yard — domesticated. If you can't find people at a particular location you're ...

Since I first started putting up bluebird nesting boxes back in 2016, I have had to think about a much less-beloved bird, the house sparrow, that also loves nesting in these boxes. House sparrows are ...

Think telling sparrows apart is just not worth the effort? Our tips might change your mind. Identify sparrows by habitat, range, season, field marks and more!

A nest was assaulted. Was it the cowbird or the sparrow? Credit...Michelle Mildenberg Supported by By Daryln Brewer Hoffstot Ms. Hoffstot is a freelance writer living on a farm in western Pennsylvania ...

One is crucial for this year's chicks ...