PBS’s Nature series website has in-depth info, images and video on a large variety of animals, from alligators to zebras. There are also interactives, games, maps and animal guides. For teachers, there are curriculum and lesson planning resources for students in grades 3-12.

From site: The Butterfly Website is the world’s oldest and largest website dedicated to butterflies and moths. Here you’ll find hundreds of articles about butterflies and moths, an extensive clipart collection, many photographs, videos, butterfly gardening tips, links to purchase butterflies for your wedding or special event, and a lot more. Don’t miss our inspiring stories – over 1,000 beautiful stories – about ways in which peoples’ lives have been magically touched by butterflies.

Have you ever found an injured butterfly or caterpillar and wanted to help it but didn’t know how? Butterfly Rescue International to the rescue! The Butterfly WebSite & butterfly expert Rick Mikula have compiled this group of butterfly experts from around the world who appreciate your love for butterflies and are here to help you help them.

DinoMight has dinosaur games and activities for kids. Learn about dinosaurs using the timeline, how fossils are made and the different kinds of dinosaurs. Create your own dinosaur and play other dino games.

The Dinosaur Floor of Classroom of the Future museum has rooms where kids can learn about the different kinds of dinosaurs that existed in different eras and theories about how they became extinct.

The Dino Directory has profiles of over 300 known dinosaurs.  Learn when they lives, where they were found, and what they ate.