Both factors enable the shark to swim more efficiently. The bonnethead (Sphyrna tiburo) is a small hammerhead that frequents ...

Hammerhead sharks can hold their breath to survive almost freezing-cold waters during deep dives, a study has found. The study, published in the peer-reviewed journal Science on Thursday ...

Dr. Peter Klimley is a man who has held his breath and dived down 100 feet to hand-tag hammerhead sharks with a dart gun. He has even dressed up as a killer whale, complete with towering black ...

Harpy eagles are one of the world's most powerful eagles, which can be found in the rainforests of Central and South America.