Why is Holden obsessed with the ducks in central park?

Holden's obsession with the ducks in Central Park represents his fascination with the idea of change and adaptation in life. The ducks' ability to migrate and survive in various environments mirrors Holden's own struggles with growing up and finding his place in the world. The ducks also symbolize Holden's own sense of alienation and displacement, as he feels disconnected from society and unsure of his own future.