The Geese and the Cranes By Aesop’s Fables

No Moral. Suggest us a moral of this fable in comment section.
The Geese and the Cranes were feeding in the same meadow, when a birdcatcher came to ensnare them in his nets. The Cranes, being light of wing, fled away at his approach; while the Geese, being slower of flight and heavier in their bodies, were captured.