DAZAIFU, Fukuoka Prefecture--At the foot of 829-meter Mount Homanzan on a recent morning, the participants started like runners in a marathon, swinging their thin limbs nimbly. As they slowly moved up ...

In the animal kingdom there are many traits that can make it easier, or more difficult, to survive. This is a basic concept of natural selection in that those traits that make survival easier will be ...

There is a proverb that says, "A frog cannot remember being a tadpole." It refers to someone who acts conceited from the start just because their circumstances have improved a bit. But there are frogs ...

Colorado wildlife officials are celebrating some long-awaited good news — the mountain toads are making tadpoles! For seven years, biologists have been toting tadpoles to high-elevation bogs and ponds ...