Animals
- Animals
Huge numbers of fish-eating jaguars prowl Brazil’s wetlands
Jaguars in the northern Pantanal ecosystem primarily feed on fish and caiman, living at densities previously unknown for the species.
- Archaeology
Dog DNA reveals ancient trade network connecting the Arctic to the outside world
People in Siberia were exchanging canines and probably other goods as early as 7,000 years ago with cultures as far off as Europe and the Near East.
- Anthropology
How catching birds bare-handed may hint at Neandertals’ hunting tactics
By pretending to be Neandertals, researchers show that the ancient hominids likely had the skills to easily hunt crowlike birds called choughs.
- Animals
Giant ground sloths may have been meat-eating scavengers
Contrary to previous assumptions, at least one ancient giant ground sloth was a meat eater.
- Paleontology
This is the oldest fossil evidence of spider moms taking care of their young
A spider trapped in amber 99 million years ago guarded her eggs and may have helped raise her young.
- Animals
Bloodthirsty vampire bats like to drink with friends over strangers
Cooperation among vampire bats extends beyond the roost. New research suggests that bonded bats often drink blood from animals together.
- Animals
Some birds learn to recognize calls while still in their eggs
For over a decade, behavioral ecologist Diane Colombelli-Négrel and colleagues have been studying how birds perceive sounds before hatching.
- Agriculture
Potty-trained cattle could help reduce pollution
About a dozen calves have been trained to pee in a stall. Toilet training cows on a large scale could cut down on pollution, researchers say.
- Animals
Mary Roach’s new book ‘Fuzz’ explores the ‘criminal’ lives of animals
In “Fuzz: When Nature Breaks the Law,” author Mary Roach profiles mugging monkeys, thieving bears and other animal outlaws.
- Environment
50 years ago, chemical pollutants were linked to odd animal behavior
Fifty years after studies hinted that pollution interferes with how aquatic creatures communicate, scientists are still unraveling its myriad effects.
- Animals
A newfound boa sports big eyes and a square nose
Among the smallest boas in the world, the Hispaniolan vineboa inhabits a small patch of dry forest along the Dominican Republic’s border with Haiti.
- Animals
How metal-infused jaws give some ants an exceptionally sharp bite
Some small animals make cuts, tears and punctures that they couldn’t otherwise do using body parts reinforced with metals such as zinc and manganese.
