With bloated bellies and hairy legs, female flies try to look bigger to get food from courting mates. But male flies, in turn, have sharpened their eyesight to call their bluff. A new study by ...

Male fruit flies enjoy ejaculating, according to research published yesterday (April 20) in Current Biology. The study also found that when fruit flies are denied sex, they consume more alcohol than ...

A male house finch that is a regular visitor to my deck for sunflower seeds appears sick. He’s less active, and when he ...

DEAR JOAN: A male house finch that is a regular visitor to ... He’s not as quick to fly away when I appear; and he flies slower and not as far. Lastly, the reddish mating color on his head ...