A Central Florida bird has begun to plunge so swiftly toward extinction in the wild that biologists are considering the risky option of capturing the last of the species, including fewer than two dozen females.
A new University of Nebraska-Lincoln study has shown that golden-crowned sparrow chicks can name their tune in just one note – even before knowing the song.
Despite being well-adapted to urban life, house sparrow numbers are falling. A study in open-access journal Frontiers in Ecology and Evolution finds that compared to sparrows living in the country, urban-dwelling birds show ...
Why are house sparrows the exact size they are? Why aren't they hummingbird size or as large as geese?
Does estrogen affect the way females perceive male sexual signals? That is a question a team of Yale researchers explored in a study, focusing on the female house sparrow.
Different methods of collecting bird sperm produce different sperm lengths, potentially affecting the conclusions of fertility studies.
On a quiet, 30-acre property near West Palm Beach, Fla., 19 Florida grasshopper sparrows are starting to sing.
Theory says that birds should choose nest sites that minimize their risk of predation, but studies often fail to show a connection between nest site selection and nest survival. Understanding these relationships can be key ...
Java sparrows are more likely to mate after dancing together, according to a study from Hokkaido University, contradictory to the belief that songs are the primary sexual signal.