Echidnas, also known as spiny anteaters, are egg-laying mammals native to Australia and New Guinea. They are characterized by their spiky coat of spines, which helps protect them from predators in ...

Sharks vary their movements by season, reveals new research. Activity of the apex predators around a reef off South Africa was monitored using thousands of sightings by "citizen scientist" scuba ...

Tiger sharks, named for their dark vertical stripes resembling a tiger's pattern, are known as "garbage cans of the sea" due to their indiscriminate feeding habits, consuming a wide variety of prey ...

From tiger sharks gathering in Hawaii to bull sharks meeting up with familiar companions, new research is rewriting what we know about shark social lives. Once seen as solitary hunters, many species ...