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David Attenborough's Life StoriesSeries 1Episodes Available now
The Serpent's Stare
Looking at why underground animals have evolved differently from those on the surface.
Salamander
The naturalist recalls his first pet, a fire salamander which was a birthday present.
Archaeopteryx
A 150-million-year-old feather from an animal that lived before birds had evolved.
Songsters
The messages conveyed in the syllables, melodies and repeated phrases of singing birds.
