Answer:
Beaks changed as the birds developed different tastes.
Explanation:
Fruits, seeds, or insects picked from the ground or cacti have affected their evolution. Long, pointed beaks made some of them more fit for picking seeds out of cactus fruits. Shorter, stouter beaks served best for eating seeds found on the ground.
Answer:
Because of evolution. If a bird needs to get things deep in the dirt, their beaks would be longer. If they are getting big berries, there beaks will be bigger. If their foods are softer, their beaks will be weaker, etc.
Explanation:
