Porpoises belong to the order Cetacea. Porpoises breathe air just like humans, but they have lungs that allow them to make very deep dives under the water. They have blubber to keep them warm in very cold water.
by Kathryn
More information about porpoises and other marine mammals can be found at Dolphins, Whales, & Manatees - Education is Fun
Bees are insects. An insect is characterized by a three part body, six legs, two pairs of wings, one pair of antennae, and one pair of compound eyes.
by Andrew
More information about bees can be found at B-EYE The World through the Eyes of a Bee
Birds are endothermic animals with an outer covering of feathers. Birds have hollow bones so they can fly. Birds have feet for walking or perching.
by Austin
More information about birds can be found at Petersons Online
The squid has eight arms and two tentacles. It is a marine animal with a soft, boneless body that is similar to the octopus. These animals are also called sea arrows.
by Nathanael
More information about squid and other cephalopods can be found at The Cephalopod Page
Hummingbirds are the smallest of all birds. They are able to flap their wings so fast that they float in place. The hummingbird in the picture is drinking nectar from a flower. Because hummingbirds are able to see red and orange quite well, they are attracted to these flowers.
By Stephanie
More information about hummingbirds can be found at Hummingbirds!
Penguins live in cold Antarctic climates where their feathers act as insulation. They are considered birds but they cannot fly.
by Kenny
More information about penguins can be found at Pete and Barbara's Penguin Page
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