| | Arachnid Pictures Arachnids are more than just spiders. Browse our new Arachnid Pictures to get a close-up glimpse of arachnid diversity.... Read more | Sea Turtles Coping with Climate Change The gender of a baby green sea turtle is determined by the temperature the egg experiences during incubation. When temperatures are warmer, more females are born while. Conversely, when temperatures... Read more | Crustaceans - Mobile Swiss Army Knives Crustaceans are one of four basic groups of arthropods (the other three being the myripods, arachnids and insects). The group includes crabs, lobsters, shrimp, krill, crayfishes, wood lice and barnacles. Crustaceans... Read more | Birds Birds are a group of backboned animals that includes about 30 groups such as albatrosses, gamebirds, herons, hummingbirds, owls, parrots, penguins, perching birds, woodpeckers and many others. There are between 9,000 and 10,000 species of birds alive today. The first birds evolved from reptiles during the Mesazoic Era about 150 million years ago. The articles listed below provide information about the characteristics, classification and evolution of birds. | | | | Animals / Wildlife Ads | | | | More about Animals | | | | More from About.com | | | | | | Top 10 Skin Myths How do you know the information and advice you get about your skin is true? Start with this article, which debunks some of the the most persistent myths out there. More>
| | | | Living with Infertility Infertility is extremely difficult emotionally, and it's easy to start feeling overwhelmed. Here are 10 ways to cope and keep infertility from taking over your life. More>
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