chick pushing sibling out of nest video clip — Video DVD Forum — DVD MP3 AVI MP4 players codecs conversion help

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I remember seeing a clip from a DVD, probably one the BBC series
produced by
David Attenborough, of a baby bird pushing its younger sibling out of
the nest to die,
while the mother watches. I think the bird was an albatross or
something.

Does anyone know which DVD this scene came from? Thanks in advance.

Peter