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, ...

What Does a House Sparrow Look Like? The male house sparrow has a gray and rusty crown with pale cheeks and a black bib. Reader Patrice Iacovoni of Waterford, Michigan, shared a photo of a female ...

A new study shows that house sparrows' health closely correlates with urban density, and that sparrows are carrying surprisingly high loads of lead in their bodies. House sparrows (Passer domesticus) ...

House sparrows can be found on nearly every continent including North America, South America, Africa and Australia, where they are not native but an invasive species. New research into these highly ...

University of Oklahoma researcher Dr. Alexandra Bentz has received a prestigious National Science Foundation Early Career ...

DEAR JOAN: In the spring, I had sparrows that built a nest on my door wreath and subsequently raised four baby birds. Now in July, I have another pair intent on building another nest in the same place ...

The size of the black breast bib – the badge - and bill colour of male House Sparrows change over the course of the year. Such ornaments usually signal quality and dominance of a male to his ...

London's house sparrows (Passer domesticus) have plummeted by 71% since 1995, with new research suggesting avian malaria could be to blame. London's house sparrows (Passer domesticus) have plummeted ...