Cuttlefish Bone vs Calcium Block: What Is the Difference?

Bird owners often see both cuttlefish bone and calcium blocks in the supplies aisle. This simple explainer shows the difference between cuttlefish bone and a calcium block. Please ask an avian vet before offering either.

What is cuttlefish bone

Cuttlefish bone is the internal shell of the cuttlefish, with a soft, chalky texture birds can nibble.

What is a calcium block

A calcium block is a pressed block made to be pecked and clipped to cage bars.

Key differences

• Source: cuttlefish bone is natural; a block is manufactured.
• Shape: bone is irregular; a block is uniform.
• Use: both can be clipped inside the cage.

How owners offer them

Most owners clip them to the cage bars within easy reach. Browse CONGO supplements.

Storage

Keep spares in a dry place and replace worn pieces.

Talk to an avian vet

Your vet can advise whether and how your bird should have extra calcium.

Frequently asked questions

Can I offer both?

Ask your avian vet.

How often should I replace them?

When they are worn down, dirty or damp.

Explore: CONGO supplements.