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A look at the constant need to feed necessitated by the demands of flight in species from sap suckers and crows, to robins and geese.
Episodes
EP 1
To Fly or Not to Fly?
1998-10-21
EP 2
The Mastery of Flight
1998-10-28
EP 3
The Insatiable Appetite
1998-11-04
EP 4
Meat-Eaters
1998-11-11
EP 5
Fishing for a Living
1998-11-18
EP 6
Signals and Songs
1998-11-25
EP 7
Finding Partners
1998-12-02
EP 8
The Demands of the Egg
1998-12-09
EP 9
The Problems of Parenthood
1998-12-16
EP 10
The Limits of Endurance
1998-12-23
Voice Cast
David AttenboroughSelf - Narrator (voice)Voice Actor
