When Don is told he can't dig any more holes around the nest, he When Don is told he can't dig any more holes around the nest, he complains that he needs his own day just for digging holes-a complains that he needs his own day just for digging holes-a hole-iday! The kids make up an imaginary holiday just for Don and hole-iday! The kids make up an imaginary holiday just for Don and recruit the Oryctodromeus to help dig all the holes Don could ever recruit the Oryctodromeus to help dig all the holes Don could ever hope for. / The Pteranodon kids meet a new, small mammal friend, hope for. / The Pteranodon kids meet a new, small mammal friend, Adele Alphadon, and introduce her and their Big Pond friend, Cindy Adele Alphadon, and introduce her and their Big Pond friend, Cindy Cimolestes, to a new concept -- that not all Mesozoic creatures are Cimolestes, to a new concept -- that not all Mesozoic creatures are dinosaurs. And that includes the Pteranodons! They live in a diverse dinosaurs. And that includes the Pteranodons! They live in a diverse world. world.
