April 17 (UPI) --If a Java sparrow ever asks to dance with your date, be forewarned, he or she may have something else in mind. According to a new study out of Japan, Java sparrows are more likely to ...

Pair-bonded Java sparrows show enlarged eye rings to signal breeding readiness. Birds are known for their elaborate courtship rituals and romantic gestures that are replete with beautiful songs, ...

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. Songbirds are ...