| 1999 | | 3 VHS-Videos mit den 10 Filmen der Serie. | WG: DVD, DVD-Video | »How Birds evolved from Dinosaurier«; »The Secret of Bird Flight«; »How Birds are Adapted for a Variety of Diets«; »The Skills and Strategies of Birds of Prey«; »How Birds exploit the Abundant Food of Lakes, Oceans and Marshes«; »The Amazing Variety of Signals and Songs«; »The Extraordinary Types of Displays and Mating Rituals«; »Remarkable Ways in which Birds Build and Protect Theis Nests«; »The Skills and Strategies for Succesfully Reading Their Young«; »How Birds Cope with Hostile or Ever-Changing Enviroments«. | | [E] | |