How do puffins manage to dive hundreds of feet deep in pursuit of prey?

Answer

They have a dense bone structure offering ballast against buoyancy

Deep diving requires a dense bone structure, which acts as ballast to counteract buoyancy, a feature distinct from the light bones associated with many strictly flying birds.

How do puffins manage to dive hundreds of feet deep in pursuit of prey?

#Videos

Puffin facts: smaller than you think | Animal Fact Files - YouTube

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