WASHINGTON -- Army ants that sweep along in massive, voracious groups evolved just once, contrary to common scientific belief, a Cornell University researcher says. Entomologist Sean Brady studied the ...

Tropical forests host an estimated 62% of global terrestrial vertebrate species on less than 20% of the Earth's land area and provide resources that directly benefit ~1.5 billion people throughout the ...

Purpose: To practice interpreting graphical presentation of experimental results; to determine the type of ecological relationship between army ants and ant-following birds. The "step one-step two" ...

A chimpanzee carries a stick to use as a tool to eat army ants. The chimpanzees insert these tools into the ant nests until the insects climb on the tool and then eat them. / Chimpanzees are the ...

There’s safety, even power, in numbers. One creature’s confrontation with the world seems insurmountable, almost impossible, but an army of those little creatures can move mountains. And no creature ...