Identified as a new species only in 2005, the bulbous-headed snub fin dolphin—called the world's ugliest—had never been filmed until now, according to an Australian TV production.
Skinny as spaghetti and comfortable on a quarter, the newfound Barbados thread snake species is the world's smallest—and may be the smallest possible—biologists say.
With a reported repertoire of 32 sounds, belugas are called canaries of the sea. But in Russia some conservationists warn that the white whales may be too enticing for their own good.
Earth's richest concentrations of marine life have shifted over time, cropping up where tectonic plates collide and climate is friendliest to life, researchers say.
A seaside stone that had been decorating a home owner's ornamental pond for 15 years might actually be an 80-million-year-old fossilized fish head, experts say.
The pen-tailed tree shrew's 55-million-year bender suggests that humans' taste for alcohol might predate the known advent of brewing some 9,000 years ago.
A lucky penguin survives a long, strange trip; a strangely beautiful oil slick fouls the Mississippi; and more in our weekly roundup of nature news photos.
The guillemot, a seabird that depends on ice, is losing its habitat and falling prey to polar bears desperate for food. Part of Wild Chronicles' Climate Connections series.
