Paleontologists have found the fossilized bones from a new species of the parrot genus Agapornis at three localities of the UNESCO World Heritage site...
An international team of ornithologists has described a cryptic new species of the bird genus Oceanites from Chile.
The Andean storm-petrel (Oceanites...
About 66 million years ago, at the end of the Cretaceous period, a 10-km-wide asteroid crashed into Earth near the site of the town of Chicxulub in what...
Human settlement of islands across the Pacific Ocean was followed by waves of faunal extinctions that occurred so rapidly that their dynamics are difficult...
The newly-discovered structures predate the famous Inca citadel of Machu Picchu by roughly 3,500 years, and were made long before the Inca and their predecessors,...
A team of scientists from the Swedish Museum of Natural History and elsewhere has described a new species of nightjar living in the tropical forests of...
A multi-character systematic study led by the Universidade Federal do Pará shows that what ornithologists know as the silvery-cheeked antshrike (Sakesphoroides...
Carrion crows (Corvus corone) can control the number of vocalizations they produce, counting up to four in response to visual and auditory cues, according...
Using ancient DNA recovered from a fossil bone from New Zealand’s South Island, scientists from Harvard University and elsewhere have generated a draft...
Around 12,440-12,550 years ago, hunter-gatherers returned regularly to Tagua Tagua Lake in Chile to hunt ancient elephant relatives called gomphotheres...
The evolution of feathers is associated with novel skin ultrastructures, but the fossil record of these changes is poor and thus the critical transition...
A fundamental question in dinosaur evolution is how they adapted to long-term climatic shifts during the Mesozoic Era (the dinosaur era lasting from 230...
The northern population of the giant hummingbird (Patagona gigas) stays in the high Andes year-round while the southern population migrates from sea level...
During sleep, sporadically, it is possible to find neural patterns of activity in areas of the avian brain that are activated during the generation of...
Bergmann’s rule is a scientific principle stating that animals in high-latitude, cooler climates tend to be larger than close relatives living in warmer...
Black-capped chickadees (Poecile atricapillus), small North American passerine birds that live in deciduous and mixed forests, have extraordinary memories...
The updated family tree, detailed in two complementary papers published today in the journal Nature and the Proceedings of the National Academy of Sciences,...
Paleontologists have unearthed two fossilized phalanges of an ancient carnivorous bird on Seymour Island, Antarctica.
Paleoenvironmental reconstruction...
Paleontologists have examined a large assemblage of dinosaur tracks and fossilized plants from the Nanushuk Formation, which crops out over much of the...
