On the Homepage:

Boy copyright PhotoDisc
Tadpoles illustration copyright Gina Mikel
Big-eye tree frog copyright Shedd Aquarium / Ed Lines, Jr.
Eastern American Toad copyright Gina Mikel
Origami frog copyright Wisconsin Sea Grant / Yao

On the Activities pages:

Spring Peeper illustration copyright Gina Mikel
How to Draw a Frog illustrations and text copyright Gina Mikel
Color Your Own Frog illustrations copyright Gina Mikel
Origami illustrations copyright Wisconsin Sea Grant / Yao
A Frog's Life illustrations copyright Gina Mikel

On A Frog's Life pages:

illustrations copyright Gina Mikel

On the Cool Science pages:

Cameroon Glass Frog copyright Shedd Aquarium / Ed Lines, Jr.
Frog illustration copyright Gina Mikel
Why Study Frogs? Graduate student copyright William Karasov
Medieval Magic illustrations copyright Gina Mikel

On the Field ID page:

Blanchard's Cricket Frog copyright Bob Hay
Eastern American Toad copyright Gary Casper
Bullfrog copyright Shedd Aquarium / Patrice Ceisel
Copes Gray Treefrog illustration copyright Gina Mikel
Wood Frog illustration copyright Gina Mikel
Western Chorus Frog illustration copyright Gina Mikel
Blanchards Cricket Frog illustration copyright Gina Mikel
Pickerel Frog copyright Gary Casper
Mink Frog illustration copyright Gina Mikel
Northern Spring Peeper Frog copyright Gary Casper
Leopard Frog copyright Gary Casper

On the Eatern American Toad pages:

Blanchard's Cricket Frog copyright Bob Hay
Eastern American Toad copyright Gina Mikel
Eastern American Toad copyright Gary Casper
Bullfrog copyright Shedd Aquarium / Patrice Ceisel

On the Bullfrog pages:

Blanchard's Cricket Frog copyright Bob Hay
Bullfrog copyright Shedd Aquarium / Patrice Ceisel
Crane copyright Michigan Travel Bureau / Thomas A. Schneider

On the Copes Gray Treefrog page:

Blanchard's Cricket Frog copyright Bob Hay
Cope's Gray Treefrog copyright Gary Casper

On the Wood Frog page:

Blanchard's Cricket Frog copyright Bob Hay
Wood Frog illustration copyright Gina Mikel

On the Western Chorus Frog page:

Blanchard's Cricket Frog copyright Bob Hay
Western Chorus Frog copyright Gary Casper

On the Blanchards Cricket Frog page:

Blanchard's Cricket Frog copyright Bob Hay
Cricket Frog illustration copyright Gina Mikel

On the Pickerel Frog page:

Blanchard's Cricket Frog copyright Bob Hay
Pickerel Frog copyright Gary Casper

On the Mink Frog page:

Blanchard's Cricket Frog copyright Bob Hay
Mink Frog illustration copyright Gina Mikel

On the Spring Peeper Frog page:

Blanchard's Cricket Frog copyright Bob Hay
Spring Peeper Frog illustration copyright Gina Mikel

On the Northern Leopard Frog page:

Blanchard's Cricket Frog copyright Bob Hay
Leopard Frog copyright Gary Casper

On the Origami pages:

Origami illustrations copyright Wisconsin Sea Grant / Yao

On the Quizzes page:

Big-eyed Tree Frog copyright Shedd Aquarium / Ed Lines, Jr.

On the Catch the Frog Quiz pages:

Big-eyed Tree Frog copyright Shedd Aquarium / Ed Lines, Jr.
Blanchard's Cricket Frog copyright Bob Hay
Bullfrog copyright Shedd Aquarium / Patrice Ceisel
Cope's Gray Treefrog copyright Gary Casper
Mink Frog copyright Gary Casper
Pickerel Frog copyright Gary Casper
American Toad illustration copyright Gina Mikel
Spring Peeper copyright Gary Casper

On the Jumping Frog Quiz pages:

Big-eyed Tree Frog copyright Shedd Aquarium / Ed Lines, Jr.
Bullfrog illustration copyright Gina Mikel
Animation copyright Wisconsin Sea Grant