Related Clues:

• Egg-producing organs in female animals
• Where there's egg production, nothing changes it seems
• Seems that nothing changes with egg production there
• One round is changing for egg production there
• There's a whale of a lot that are seedy in them
• There's a whale of a lot of seeds there
• Have there been whales and, by the sound of it, been in them?
• There may be a whale of a lot of seeds there
• Are there a whale of a lot of seeds there?
• There could be a whale of a lot of seeds in them
• Nought's changing where egg-production's concerned
• Take your pulse from the whales
• Whale of a lot of seeds in them
• 'Round there it changes, but there are always eggs there (7)'
• Jet engine housings