The Life of Birds
S1 · E8 — The Demands of the Egg
S1:E8 · The Demands of the Egg
10 episodes in this season
To Fly or Not to Fly?
50 min
The Mastery of Flight
The Insatiable Appetite
Meat-Eaters
Fishing for a Living
Signals and Songs
Finding Partners
The Demands of the Egg
The Problems of Parenthood
The Limits of Endurance
