May 16th , 2024
CHIRANJIT MITRA
Have you ever wondered why birds have beaks but no pearly whites? Let's examine the evolutionary reasons behind this adaptation.
Birds evolved from dinosaurs, and those definitely had teeth! So what changed?
Weight Matters: Birds need to shed weight to take flight. Heavy teeth were among the first things to go.
Flexible & Strong: Beaks preening, grabbing food, even nest-building – they do more than teeth ever could!
Gizzards: Some birds have gizzards, muscular stomach parts that grind food (with help from pebbles!).
Beaks Evolved: Different shapes and sizes of beaks mean birds can eat a huge variety of foods.
Not Entirely: A few ancient birds DID have teeth, but their genes are mostly deactivated in modern species.
Evolution is all about efficiency! Birds prove teeth aren't always the best tool for the job.