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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…
bear : any of a family of large heavy mammals of America and Eurasia that have long shaggy hair, rudimentary tails, and plantigrade feet and feed largely on fruit, plant matter, and insects as well as on flesh — Webster
Bears are carnivoran mammals of the family Ursidae. Bears are classified as caniforms, or doglike carnivorans. Although only eight species of bears are extant, they are widespread, appearing in a wide variety of habitats throughout the Northern Hemisphere and partially in the Southern Hemisphere. Bears are found on the continents of North America, South America, Europe, and Asia. Common characteristics of modern bears include large bodies with stocky legs, long snouts, small rounded ears, shaggy hair, plantigrade paws with five nonretractile claws, and short tails.
While the polar bear is mostly carnivorous, and the giant panda feeds almost entirely on bamboo, the remaining six species are omnivorous with varied diets. With the exception of courting individuals and mothers with their young, bears are typically solitary animals. They may be diurnal or nocturnal and have an excellent sense of smell. Despite their heavy build and awkward gait, they are adept runners, climbers, and swimmers. Bears use shelters, such as caves and logs, as their dens; most species occupy their dens during the winter for a long period of hibernation, up to 100 days. — Wikipedia
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Making biominerals: Nature's recipe is old,...
on August 20, 2019 at 11:10 am
In recent years, scientists have teased out many of the secrets of biomineralization, the process by which sea urchins grow spines, mollusks build their shells and corals make their skeletons, not to mention how mammals and other animals make bones and teeth.
Freeway crossing to give wildlife room to roa
on August 20, 2019 at 6:12 am
Like many urban singles, the mountain lion P-22 lives a solitary life in a too-small habitat. And he has a hard time finding a mate in the big city.
Wildlife now roam where US once forged its...
on August 18, 2019 at 8:18 pm
From a tiny Pacific island to a leafy Indiana forest, a handful of sites where the United States manufactured and tested some of the most lethal weapons known to humankind are now peaceful havens for wildlife.
Cannibalism is common in the animal kingdom, but...
on August 16, 2019 at 2:00 pm
Vulnerable spadefoot tadpoles eat their smaller competitors to speed towards toadhood as quickly as possible. Gulls and pelicans are among bird species that eat hatchlings for food or to prevent the spread of disease. In insect species such as the praying mantis or the Australian redback spider, males offer their bodies as a final gift to females after mating.
Now endangered: The very act that protects...
on August 15, 2019 at 2:50 pm
The Trump administration recently announced a proposal that would gut the Endangered Species Act. The news follows in the wake of a report from the United Nations earlier this year that more than 1 million plants and animals around the world face extinction, some within decades, owing to human development, climate change and other threats. Mark Urban, director of UConn's Center of Biological Risk, and associate professor of ecology and evolutionary biology, explains what the change would mean […]