Emperor Penguin Tongue: Structure & Function - A Deep Dive

Yes, emperor penguins have tongues, but they are highly specialized. Unlike mammalian tongues, the emperor penguin's tongue is covered in long, backward-pointing, keratinized barbs (papillae).

Function

• Prey Capture & Retention: The barbs act like a one-way grate, allowing slippery fish and krill to slide inward but preventing escape.
• Swallowing Aid: Works with the spiny palate to move prey directly to the esophagus.
• No Taste Role: Penguins have reduced taste buds; the tongue is purely mechanical.

This adaptation is crucial for feeding efficiently in the Antarctic marine environment, where prey is captured during deep, high-speed dives.