Subscribe Now! National Geographic Magazine $15
Home
Animals
Daily News
Environment
Games
Green Guide
History
Kids
Maps
Music
Photography
Science & Space
Travel & Cultures
Video
National Geographic Channel
Magazines
National Geographic
Traveler
Adventure
Shop
Subscriptions
TV & Film
Travel With Us
Our Mission
Visit our Online Shops
Books & Atlases
Clothing & Accessories
DVDs
Maps
Catalog Quick Shop

Sign up for free

Newsletters

Once a month
get new photos
and expert tips.

Sign up

Emerald Tree Boa
Photo: Emerald tree boa draped on a tree
WALLPAPER
To blend into their habitats, boa constrictors can come in several colors with various markings. This emerald green boa, a relative of boa constrictors, is just an example of the range of colors boa's can be.
Photograph by Tim Laman
Boa Constrictor Profile Page

Multimedia

Boa Constrictor Printable Factsheet

Video: Mouse versus Boa

Snake Features
Photo: Jaguar

Amazing Amazonia

Get to know the diverse fauna of the Southwestern Amazonian Moist Forests, from tapirs to toucans to three-toed sloths, in this feature.

Learn More
Photo: Hanuman snake

Photo of the Day: Deadly Hanuman

See a photo of a poisonous Hanuman snake in the jungle near Cambodia's Angkor Wat temple.

View Photos
Photo: King cobra

King Cobra

Come face-to-face with a full-size king cobra.

Learn More
You need the Flash Player version 8.0.0.0 or higher and a JavaScript enabled browser to view this site

Special Advertising Sections

Photo: Horses and old barn

Enter Sweepstakes

Take a photographic journey through Montana and enter for a chance to win a trip for two!

Enter Now
Photo: Man with kayak

Adventure Videos

Check out adventure videos from our West Coast Adventure Editor Steve Casimiro and go "Behind the Lens."

Reptiles Right Rail

Get the Latest Headlines
Photo: Three-horned chameleon

Make us your online news source.

Read News

Get Animal Pictures

Photo: Nile crocodile

Get your daily dose of photos.

See Photos

Bring Your Phone to Life
Image: Mobile phone and giraffe

Put the sights and sounds of National Geographic on your mobile phone.

Get Wallpapers, Ringtones, More

For Kids!
Photo: A cartoon dog

It's no stretch to find fun facts on our Kids site!

Fun and Games

Shop National Geographic DVDs
Photo: Human Footprint DVD cover

Whatever your interest, you'll be entertained and educated with our collection of best-selling DVDs.

Shop Now