With her longer neck, the giraffe could reach the juicy ... and eventually all of the giraffes had long necks. Using the animals in this clip, the pupils could be challenged to identify their ...

Sam, a young tortoise, wishes he had a longer neck to reach the nicest leaves. Grandad Charlie tells Sam a story about giraffes. Long ago ... competition between the animals in this clip.

He described it as "a very strange animal". "It had flipper-like limbs and its neck is longer than its body and tail combined," he said. The researcher speculated that a "long, bendy and flexible ...