African elephant at the Cheyenne Mountain Zoo  Credit: Joel Sartore

Header Image Credits

Home Page

Sea turtle
George Cathcart 
Photographed at the National Aquarium in Baltimore

Bill Konstant
Photographed at the Elmwood Park Zoo 

Harbor seal
Photographed at the Vancouver Aquarium Marine Mammal Rescue Center 

Polar bear
Photographed at the Oregon Zoo 

Interior Pages

Lion cub
Marianne Janosco
Photographed at the Walt Disney World's Animal Kingdom 

Polar bear
Photographed at the Oregon Zoo

All other interior page header images courtesy of courtesy of Joel Sartore Photography. Please visit where you can purchase full-color prints of these photographs and more, including books, prints, and DVDs.