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All About Birds: Eagle (The Cornell Lab of Ornithology)
Tree of Life
Plant Flower, Tree
Invertebrate Octopus, Ant, Bee, Butterfly, Spider, Lobster
Vertebrate Fish, Seahorse, Ray, Shark, Frog, Turtle, Tortoise, Dinosaur
Bird, Ostrich, Owl, Crow, Parrot
Mammal Bat, Rabbit, Giraffe, Camel, Horse, Elephant, Mammoth
Whale, Dolphin, Walrus, Seal, Polar Bear, Bear, Cat, Tiger, Lion, Dog, Wolf
Monkey, Chimpanzee, Human
These are organized by a classification scheme developed exclusively for Cosma. More…
bird : any of a class (Aves) of warm-blooded vertebrates distinguished by having the body more or less completely covered with feathers and the forelimbs modified as wings — Webster
Birds, also known as Aves, are a group of endothermic vertebrates, characterised by feathers, toothless beaked jaws, the laying of hard-shelled eggs, a high metabolic rate, a four-chambered heart, and a strong yet lightweight skeleton. Birds live worldwide and range in size from the 5 cm (2 in) bee hummingbird to the 2.75 m (9 ft) ostrich. They rank as the world’s most numerically-successful class of tetrapods, with approximately ten thousand living species, more than half of these being passerines, sometimes known as perching birds. Birds have wings which are more or less developed depending on the species; the only known groups without wings are the extinct moa and elephant birds. Wings, which evolved from forelimbs, gave birds the ability to fly, although further evolution has led to the loss of flight in flightless birds, including ratites, penguins, and diverse endemic island species of birds. The digestive and respiratory systems of birds are also uniquely adapted for flight. Some bird species of aquatic environments, particularly seabirds and some waterbirds, have further evolved for swimming. — Wikipedia
Ornithology is a branch of zoology that concerns the study of birds. Several aspects of ornithology differ from related disciplines, due partly to the high visibility and the aesthetic appeal of birds. Most marked among these is the extent of studies undertaken by amateurs working within the parameters of strict scientific methodology.
The science of ornithology has a long history and studies on birds have helped develop several key concepts in evolution, behavior and ecology such as the definition of species, the process of speciation, instinct, learning, ecological niches, guilds, island biogeography, phylogeography, and conservation. While early ornithology was principally concerned with descriptions and distributions of species, ornithologists today seek answers to very specific questions, often using birds as models to test hypotheses or predictions based on theories. — Wikipedia
Birds News -- ScienceDaily Bird news and research. From chickens to birds of prey, wing design to migration, read all the latest news on birds.
Researchers study how birds retweet news
on February 14, 2020 at 6:47 pm
Every social network has its fake news. And in animal communication networks, even birds discern the trustworthiness of their neighbors, a new study suggests.
How bird flocks with multiple species behave like...
on February 12, 2020 at 8:01 pm
Peer into a forest canopy, and you will likely spot multiple bird species flying and feeding together. But are birds in these flocks cooperating with one another or competing? A new study suggests both.
Feeding bluebirds helps fend off parasites
on February 4, 2020 at 2:47 pm
If you feed the birds in your backyard, you may be doing more than just making sure they have a source of food: you may be helping baby birds give parasites the boot.
How the development of skulls and beaks made...
on February 3, 2020 at 7:14 pm
Darwin's finches are among the most celebrated examples of adaptive radiation in the evolution of modern vertebrates and now a new study has provided fresh insights into their rapid development and evolutionary success.
Not-so-dirty birds? Not enough evidence to link...
on January 31, 2020 at 4:47 pm
Despite the perception that wild birds in farm fields can cause food-borne illness, a new study has found little evidence linking birds to E. coli, Salmonella and Campylobacter outbreaks.
Phys.org - latest science and technology news stories Phys.org internet news portal provides the latest news on science including: Physics, Nanotechnology, Life Sciences, Space Science, Earth Science, Environment, Health and Medicine.
Freshwater insects recover while spiders decline...
on February 17, 2020 at 4:00 pm
Many insects, mosses and lichens in the UK are bucking the trend of biodiversity loss, according to a comprehensive analysis of over 5,000 species led by UCL and the UK Centre for Ecology & Hydrology (UKCEH).
To help wildlife move, researchers map both...
on February 14, 2020 at 10:09 pm
Wildlife need to move to survive: to find food, reproduce and escape wildfires and other hazards. Yet as soon as they leave protected areas like national forests or parks, they often wind up on a landscape that is very fragmented in terms of natural boundaries and human ones.
How did dinosaur parents know when their kids had...
on February 14, 2020 at 7:00 pm
From the time that dinosaur fossils were first discovered, these creatures have fascinated scientists and laypeople alike. In the academic world, their remains provide important clues into the prehistoric world; in popular culture, dinosaurs have inspired blockbuster hits, such as Jurassic Park and King Kong.
Researchers study how birds retweet news
on February 14, 2020 at 6:54 pm
Every social network has its fake news. And in animal communication networks, even birds discern the trustworthiness of their neighbors, a study from the University of Montana suggests.
New pathogenic mechanism for influenza NS1...
on February 14, 2020 at 6:41 pm
Influenza is a deadly virus, with about 290,000 to 650,000 deaths worldwide each year. When pandemics hit, the toll can soar: The Spanish flu of 1918 caused 40 million to 50 million deaths, the Asian flu of 1957 caused 2 million deaths, and the Hong Kong flu of 1968 caused 1 million deaths.