What does a bird tongue look like?
There is no standard bird tongue. A robin’s tongue looks nothing like a hummingbird’s, and neither resembles the thick muscular tongue of a parrot.
Bird tongues are supported by a framework of bone and cartilage called the hyoid apparatus. The shape of that system changes along with the feeding job the tongue needs to do.
That is the theme throughout bird anatomy: same basic parts, wildly different equipment.
What do birds use their tongues for?
Mostly feeding and handling food, but the exact job depends on the species. A tongue can help move a seed, pull an insect from a crevice, gather nectar, hold slippery prey, filter food from water, or guide a swallowed item toward the throat.
Tongues can also contribute to drinking and to the way some birds manipulate objects with the bill.
They do not replace teeth. Birds have evolved the bill, tongue, and digestive system as a team. See do birds have teeth? for that side of the story.
How does a hummingbird tongue work?
A hummingbird does not simply use its bill as a drinking straw. The tongue extends rapidly into nectar and has specialized grooves and flexible tips that help capture the liquid.
High-speed research has shown that the tongue changes shape as it enters and leaves nectar. The process relies on rapid lapping and elastic movement rather than simple suction through a tube.
The whole thing happens so quickly that it is easy to miss even when a hummingbird is feeding right in front of you.
How long is a woodpecker's tongue?
Many woodpeckers have tongues that extend far beyond the tip of the bill. That lets them reach ants, larvae, and other food hidden in holes and crevices.
The remarkable part is where the extra length goes when the tongue is retracted. Elongated hyoid structures extend around the back and over parts of the skull rather than ending at the throat like our tongue support does.
People sometimes say a woodpecker “wraps its tongue around its brain.” That image is memorable, but the hyoid apparatus is running around the skull. The tongue is not literally coiled around the brain itself.
Why are some bird tongues barbed?
Backward-pointing papillae and other rough structures can help grip food and move it toward the throat. Penguins and fish-eating birds are good examples because slippery prey is hard to hold.
Geese can also have prominent projections along the tongue and bill that look almost like teeth in photographs.
They are not teeth. They are keratinized structures adapted for handling food.
Do ducks use their tongues to filter food?
Yes. In ducks and other waterfowl, the bill and tongue work together with rows of comb-like structures called lamellae.
The bird can take water and food into the bill, then use tongue movements and the lamellae to push water back out while keeping edible material inside.
That is why the inside of a duck bill can look so complicated. It is not just a scoop.
Do parrots have muscular tongues?
They do. Parrots use relatively fleshy, mobile tongues to manipulate food against the bill. Anyone who has watched a parrot carefully work on a seed can see how much coordination is involved.
The tongue can help shape some sounds. Most bird vocal sound, though, begins in the syrinx, a special voice organ lower in the breathing system.
So the tongue can change a sound without being the place where the basic sound starts.
Do birds have taste buds on their tongues?
Birds can taste, but their taste system is not arranged exactly like ours. Many avian taste buds are found around the mouth and throat, not concentrated across a broad fleshy tongue in the same way as humans.
The number and sensitivity vary by species. Birds may respond to sweetness, bitterness, salt, fat, and other chemical cues depending on their ecology.
That means the old idea that birds barely taste anything is too broad. Their sense of taste is simply built differently.
Do birds use their tongues to drink water?
Yes, but drinking styles vary. Many birds scoop water into the bill and then tip the head back to swallow. Pigeons and doves can drink more continuously by drawing water into the mouth while the bill stays down. Our do birds drink water? page looks at the bigger hydration question.
Hummingbirds use their specialized tongue for nectar. Other birds use tongue and bill movements suited to their own feeding style.
One tongue design could never handle all of those jobs equally well.
Can a bird stick out its tongue?
Some can extend it well beyond the bill. Hummingbirds and woodpeckers are obvious examples.
Other species have small tongues that barely reach the front of the mouth, so you may never notice them. Pelicans and some large fish-eating birds have surprisingly reduced tongues compared with the size of their bills.
Big bill does not automatically mean big tongue.
Frequently asked questions
Do birds have tongues?
Yes. All birds have tongues, although their size and function vary dramatically among species.
Which bird has a very long tongue?
Woodpeckers are famous for long extendable tongues. Hummingbirds also have long tongues adapted for reaching nectar.
Do geese have teeth on their tongues?
No. Goose tongues can have sharp-looking keratin projections, but they are not true teeth.
Can birds taste food?
Yes. Birds have taste receptors, though their number and location differ from the human pattern and vary widely by species.
Keep following the question
The inside of a bird’s bill is more interesting than it looks. Read can birds taste?, do birds have teeth?, can birds smell?, or return to the Bird Facts hub.