Vertebrates and Invertebrates

Almost all animals fall into one of two groups. Adult vertebrates have a spinal column, or backbone, running the length of the body; invertebrates do not. Vertebrates are often larger and have more complex bodies than invertebrates.

Animals with a backbone or spinal column:

Please note: These are NOT
in alphabetical order

Animals without a backbone or spinal column:

Polar Bear
Polar Bear
Sponsored by the Alaska Department of Fish and Game

Learn About Polar Bears
Sponsored by Polar Bear Central, Canada

Polar Bears
Sponsored by Smithsonian National Museum
of Natural History

Characteristics and Physical Features of the Polar Bear
ThinkQuest

Bottlenose Dolphin
Bottlenose Dolphin
sponsored by enchantedlearning.com

Bottlenose Dolphins
This site contains many links.
SeaWorld/Busch Gardens Animal Information Database

Bottlenose Dolphin Fact Sheet
See the related links at the bottom of this website.
American Cetacean Society San Pedro, CA

Giant Squid
In Search of Giant Squid
This online exhibit explores and interprets the mystery, beauty and complexity of giant squids - the world's largest invertebrates and is based upon material presented in the Smithsonian's National Museum of Natural History's exhibit "In Search of Giant Squids"

Squid

Squid Links
You can follow these links to find out more about the world of the squid.

Bobcats
Bobcats

Bobcat
Desert USA

Bobcat

JellyFish
Jellyfish
Ocean Oasis

Jelly Jewels
RiverDeep and the Monterey Bay Aquarium

Jellies
Monterey Bay Aquarium

The Jellies Zone

Jellyfish
EnchantedLearning.com

Portuguese Man-o-War

Portuguese Man-O-War
Sponsored by Wikopedia

Portuguese Man-O-War
Courtesy of Wikipedia

Portuguese Man-Of-War

The Portuguese Man-o-War
Copyright © Australian Museum, 2003

Camel
Camel (Dromedary)
SeaWorld/Busch Gardens Animal Information Database

Arabian Camel or Dromedary
sponsored by enchantedlearning.com

Bactrian Camel
sponsored by enchantedlearning.com

Cheetah
Cheetah
Sponsored by the Zoological Parks and Gardens Board, Melbourne Zoo

Cheetah
Sponsored by the Perth Zoo

Cheetah
sponsored by enchantedlearning.com

Chimpanzee
Chimpanzee
sponsored by enchantedlearning.com

Chimpanzee
Sponsored by Sea World/Bush Gardens

Chimpanzee
Photographs and information sponsored by Animals Of The Rainforest/Ron Kalasinskas

Chimpanzee
Lincoln Park Zoo

Clownfish
Clownfish
EnchantedLearning.com

Clownfish Know Their Place
Nature News Service

Professor Polyp's Classroom: Clownfish
The Coral Reef Alliance

Clownfish Photos
Sponsored by versaquatics.com

Finding Nemo

Nemo facts and fictions
New England Aquarium

Clownfish & Anemone - A Curious Alliance

Hammerhead Shark

Hammerhead Shark
Ocean Oasis

Hammerhead Shark
EnchantedLearning.com

The Hammerhead Shark
The Boating Information Bureau

Hammerhead Sharks
created by a student at the Crocker Farm School in Amherst, MA.

Hammerhead Sharks
Sponsored by GeoCities.com

Narwhal
Narwhal

Narwhal
sponsored by enchantedlearning.com

Detailed Information About Narwhals
Created by Laura Drumm and the National Marine Mammal Laboratory.

Narwhal Photos

Otter
OtterNet Links
See additional links listed under the section near the bottom of the website called"Wildlife/Zoo Organization Pages with Otter References"

Otternet Species
Find out about all 13 species of otters.

otter
encyclopedia.com

Sea Otter
sponsored by enchantedlearning.com

Sea Otter
encyclopedia article article by Encarta

Peregrine Falcon
EnchantedLearning.com

Golden Hamster
Golden Hamster
Britannica.com

Golden Hamster
AmericanZoo.com

The Golden Hamster

What is a Golden Hamster?

Choosing a Golden Hamster
PetPlace.com

Hamster
Hamster
sponsored by enchantedlearning.com

hamster
encyclopedia.com

Hamster
Encyclopedia article by Encarta

Hedgehog
Hedgehog
sponsored by enchantedlearning.com

Hedgehog
Encyclopedia article by Encarta

hedgehog
sponsored by Sea World/Busch Gardens

Indian Elephant
Indian Elephant
sponsored by enchantedlearning.com

Indian Elephant
theBigZoo.com

Indian Elephant

Indian Elephant
HONOLULU ZOO

King Cobra
King Cobra
sponsored by enchantedlearning.com

Cobra Information Site

King Cobra
Rochedale State School,Australia

King Cobra
Animals Of The Rainforest/Ron Kalasinskas

Salamander
Salamander
sponsored by enchantedlearning.com

Salamander Picture Gallery

Salamander Articles
encyclopedia.com

Salamander Information
encyclopedia.com

Rattlesnake
Rattlesnake
sponsored by CONCISE COMMUNICATIONS & TNE, Inc

Rattlesnake
sponsored by enchantedlearning.com

Rattlesnake
encyclopedia article by Encarta

Three-toed Sloth
Three-toed Sloth
sponsored by enchantedlearning.com

The Sloth Website
WARNING: Contains annoying music!

Sloth Photographs and Facts
Animals Of The Rainforest/Ron Kalasinskas,

Brown -throated Three-toed Sloth

Merlin (Hawk)

Tiger
Bengal Tiger (Common Name Tiger)
Sea World/Busch Gardens

All About Tigers
Enchanted Learning.com

Endangered Species Zoo-Tigers

All For Tigers

Tiger
Vertebrate Zoologogy

Tiger Illustration
national Fish and Wildlife

Owl
All About Owls
enchantedlearning.com

The Owl Pages: Information About Owls
A hotlist of many owl websites

Owl Index
by AI-Design, LLC

Peregrine Falcon
Peregrine Falcon
Published by authority of the Minister of the Environment
© Minister of Public Works and Government Services Canada,

The Peregrine Falcon

Peregrine Falcon
EnchantedLearning.com

Peregrine Falcon
USGS

Peregrine Falcon
Texas Parks and Wildlife

Peregrine Falcon
Lahontan Audubon Society

Peregrine Falcon
From Wikipedia, the free encyclopedia.

Grizzly Bear
Grizzly Bear
encyclopedia information by Encarta

Grizzly Bear
enchantedlearning.com

Grizzly Bear
National wildlife Foundation

Grizzly Bear

Grizzly Bear
National Parks Conservation Association, Alaska

Blue-Dart Frog (Dart Frog)
Blue Poison Dart Frog