Note: This is a 360° Video — press and hold to explore it!
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…
ostrich : a swift-footed 2-toed flightless ratite bird (Struthio camelus) of Africa that is the largest of existing birds and often weighs 300 pounds (140 kilograms) — Webster
Ostriches are a family, Struthionidae, of flightless birds. Ostriches first appeared during the Miocene epoch, though various Paleocene, Eocene and Oligocene fossils may also belong to the family. Ostriches are classified in the ratite group of birds, all extant species of which are flightless, including the kiwis, emus, and rheas. Traditionally the order Struthioniformes contained all the ratites. However, recent genetic analysis has found that the group is not monophyletic, as it is paraphyletic with respect to the tinamous, so the ostriches are classified as the only members of the order. There are two extant species of ostrich, the common ostrich and Somali ostrich, both in the genus Struthio, which also contains several species known from Holocene fossils such as the Asian ostrich. The common ostrich is the largest living bird species, and other ostriches are among the largest bird species ever. — Wikipedia
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.
Dinosaur egg bonanza gives vital clues about...
on August 7, 2019 at 1:29 pm
Perhaps the most amazing thing about fossils is that they don't just show us what extinct animals looked like, they can also reveal how those animals lived. Even a fossilized dinosaur egg can provide a wealth of clues about its parents' behavior.
Who were the mysterious Neolithic people that...
on August 2, 2019 at 2:40 pm
To many, ancient Egypt is synonymous with the pharaohs and pyramids of the Dynastic period starting about 3,100BC. Yet long before that, about 9,300-4,000BC, enigmatic Neolithic peoples flourished. Indeed, it was the lifestyles and cultural innovations of these peoples that provided the very foundation for the advanced civilisations to come.
Animal friendships 'change with the weather' in...
on July 31, 2019 at 4:51 pm
When it comes to choosing which other species to hang out with, wild animals quite literally change their minds with the weather, a new University of Liverpool study reveals.
Big birds: Giant, 1,000-pound birds once roamed...
on June 27, 2019 at 7:25 am
Talk about your big bird.
Study explores genetics behind evolution of...
on May 7, 2019 at 1:30 pm
Since Darwin's era, scientists have wondered how flightless birds like emus, ostriches, kiwis, cassowaries, and others are related, and for decades the assumption was that they must all share a common ancestor who abandoned the skies for a more grounded life.