Sep
19

About Animals: Birds

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From Laura Klappenbach, your Guide to Animals
Welcome to the Animals / Wildlife Newsletter, a weekly newsletter published by About.com's Animals / Wildlife website. For more about animals and wildlife, be sure to stop by the blog or browse the growing library of animal profiles.

Birds
Birds are a group of vertebrates 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.

Invertebrates
Invertebrates are animals that do not have a backbone or a bony skeleton. There are more than thirty groups of invertebrates. Some of the more commonly known groups include... Read more
Search Related Topics:  invertebrates  animals 

Sea Otters Help Protect Seagrass Meadows
Seagrass meadows around the world are declining and a group of scientists from the University of California, Santa Cruz are now studying them to find out more about these unique... Read more
Search Related Topics:  sea otters 

Barn Swallows Benefit From Darker Breast Feathers
The darker the breast feathers of a female barn swallow, the healthier she is a new study has revealed. According to scientists from the University of Colorado, Boulder, and Cornell... Read more
Search Related Topics:  birds  research 

 


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This newsletter is written by:
Laura Klappenbach
Animals Guide
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