After performing an analysis of the antimicrobial properties of a peptide found in the venom of Polybia paulista, a species of South American social wasp,...
An international team of researchers from Germany and the United States has sequenced the genome of the giant tegu (Salvator merianae), also known as the...
Inaccessible Island, the westernmost of three islands in the Tristan Archipelago, is located about 2,250 miles (3,600 km) east of Porto Alegre, Brazil,...
An international team of scientists has found that the upper Amazon region gave birth to the domesticated Theobroma cacao, the plant from which chocolate...
An international team of paleontologists has identified two new species of ancient mammals that lived about 13 million years ago (middle Miocene epoch)...
An international team of researchers has discovered five new species of snail-eaters (tribe Dipsadini) living in the forests of Ecuador and Peru.
The five...
Two new species of dog-faced bats have been discovered in the tropical forests of Central and South America. Both new species are described in the March...
Paleontologists have discovered a new species of fossil fish from 90 million-year-old (Cretaceous period) deposits in Colombia. A paper reporting this...
Dr. Philip Riris from the Institute of Archaeology at University College London and colleagues have mapped a series of rock engravings (petroglyphs), some...
The silky anteater (Cyclopes didactylus) has previously been recognized to be a single species divided into several sub-species. But a new genetic analysis,...
A team of entomologists from the University of Toronto Mississauga, Canada, and the University of Lincoln’s Joseph Banks Laboratories, UK, has discovered...
A new species of manakin, called Machaeropterus eckelberryi, has been discovered in the foothills of southwestern Loreto and northern San Martín departments,...
A new study of ancient DNA appears to rule out the likelihood that inhabitants of Easter Island intermixed with Native South Americans prior to the arrival...
Damsin, a natural compound isolated from the South American medicinal plant Ambrosia arborescens, has been found to inhibit the growth of cancer stem cells,...
A team of spider experts and students from the University of Vermont has discovered and described 15 new species of the spider genus Spintharus from the...
Exceptionally large individuals of Beelzebufo ampinga, an extinct species of frog that lived in Madagascar during the Late Cretaceous epoch, about 68 million...
Two bird species that look the same, but have songs so different they can’t recognize each other, should be considered distinct species, according to...
An international team of arachnologists has discovered and described three new species of Neotropical ‘club-tailed’ scorpions: Ischnotelson peruassu...
A new hummingbird species, called the dry-forest sabrewing, has been discovered in the tropical forests of eastern Brazil.
A young male of the dry-forest...
A new species of cottontail rabbit (genus Sylvilagus) has been described from the lowlands of western Suriname by Portland State University Professor Luis...