Your Big Dinosaur: Pebble for the Ruby Sunstone

Prologue
(The movie begins as we see Antartica)

Narrator: There is a charming tradition observed but the Adellie dinosaurs. Once a year, during the hunting season, the male creatures gather along the antarctic beaches and there each selects an extraordinary pebble and ruby sunstone.

(The title shows "The Pebble and Penguin" on the book as it opens to see the pages of songs)