Why Is It Called a Chickadee? The Surprising Story Behind Bird Names

Why do birds have such unusual names?

In this mini episode of the Bird Name Game series from Wildly Curious, Laura dives into the fascinating origins behind two of the most familiar backyard birds in North America: chickadees and titmice.

These small, curious songbirds aren’t just cute—they’re also incredibly intelligent and highly vocal, with communication systems that scientists are still studying today.

Chickadees get their name directly from their famous “chick-a-dee-dee-dee” call—but that sound is more than just noise. It’s a complex communication system where the number of “dees” can signal different levels of danger to other birds. 

These tiny birds can even increase their brain size seasonally to remember thousands of food caches, making them some of the most impressive memory specialists in the animal world. 

Titmice, on the other hand, have a name that sounds confusing today—but it actually comes from old English words meaning “small bird.” Over time, language evolved, and “titmase” eventually became “titmouse,” even though it has nothing to do with mice at all. 

In this episode, we explore:

•  How chickadees use sound to communicate danger 
•  Why bird calls are different from bird songs 
•  The surprising evolution of the word “titmouse” 
•  How language, culture, and sound shaped bird names 
•  Why some birds are literally named after the noises they make 

If you love birding, ornithology, backyard birds, or animal communication, this episode reveals how even the smallest birds have big stories behind their names.

Transcript

SPEAKER_00 0:42

Hey everybody, it's me, Laura, and it's really weird to be here without Katie. Bear with me as I fly solo. I apparently have a tickle in my throat. We're gonna continue on with our mini sodes talking about where birds' names come from. So let's talk about chickadees and tit mice, which are some of my most favorite birds. I remember taking one of those Cornell bird quizzes about which bird personality are you, and I got chickadee, so they're like very near and dear to my heart. I actually have a cool painting that was commissioned for me and my husband that's a chickadee and a great hornell, because that's the two birds that we got. That's pretty cool. I wanted to start with just a little bit of natural history, and then we'll dive into what their name actually means. So these two little birds, chickadees and tit mice, are pretty familiar. We've seen them in our backyard all the time. Chickadees, at least around here on the East Coast, we have mostly black capped or Carolina chickadees. They're little tiny chubby birds, little black head caps on their head, white. And then the tit mice, the tufted tit mouse is what lives around me. It's gray and has a little crest on its head. But they're feeders year-round. There are also birds whose names sound almost cartoonishly cute because of just the way they are. But the story behind these names are actually linguistic accidents, sound imitations, and just a few hundred years of English evolving. So let's start with the bird that actually named itself the chickadee. Like I said, quick natural history facts. Chickadees are small songbirds in the Paraday family. There are seven species of them, and they're pretty common across North America in a variety of habitats, including parks, forests, thickets, and just suburban areas and backyards. They're known for being curious and bold, frequent visitors to bird feeders, they're extremely vocal, and they have incredible memories. Some really cool studies have been done, you guys should check out. In the fall, their brains actually increase in size up to 30% so that they can remember where they cache 80,000 seeds. And so not only do they talk a lot, they have great memories. And so, speaking of their calls, that's kind of linked lead us into this linguistic where their name came from thing. So their calls are actually quite complex communication systems. Their famous chickadee-d call can vary depending on context. And according to American Scientist, the magazine, the call is one of the most complex signaling systems documented in non-human animal species, which is pretty cool. Chickadees change the number of D notes, so like D D D D or just D D, depending on the threat level. So they can talk to each other. Bird calls and songs are different. Calls are more for telling each other short messages, territory, danger, things like that. Whereas songs are more for breeding. The chickadee, that's a call. So if they see some kind of threat level for a predator, they're gonna make that noise. And the more D's, typically the greater the danger. Sorry, I had to op in here for one second just to get it out. I'm editing and I can't I couldn't help it. All right, back to Laura. They also can use that chickadee sound as an all-clear because sometimes they also will make like a see sound, like really shrill and short, if something is approaching very quickly and they don't have time to make a longer call. All the birds just freeze, and then when they hear a chickadee, it's like all clear and they can move around. So they have this awesome little complex signaling system. So the name chickadee is just based on what they say. They essentially name themselves to the sound that they make. So it's pretty straightforward. Now, tit mice, on the other hand, that's a little more confusing. So tit mice are also part of the Paradae family, closely related to chickadees. They're very similar. There's five species, all found in North America, same as the chickadees. And they're small active birds that are seen, again, in the same habitats as chickadees. You're often gonna be you're gonna be seeing them in mixed flocks a lot of times. They're known for their energetic movements, the little crests on their heads, and their curious personalities. They're very sassy little birds. They will definitely tell you off for being too close to them. And like chickadees, they're very social and vocal. So how did they get their name? Well, tit mouse, although it sounds pretty strange to us today, is it's a little bit misleading because the mouse part actually has nothing to do with the animal. The original old English form of the name was mace. And of course, I don't speak Old English. I don't even speak Middle English, with all the inflections that I'm sure it entails. So forgive me as I as I butcher old and Middle English. But mace was old English, turned into mouse, which was Middle English. And the word mace just meant small bird. So they would often call just any small bird mace or even just tit mace. The word mace or mouse probably came from ancient Greek roots, meaning small or less, and you'll hear that word today used a lot. It that word was mikros, like micro, microscope, small, things like microorganisms. So micro, mikros, mace, mouse, small. People start associating it with the familiar word though, mouse, because mice are also small. And so that kind of just caught on. And English just changes. As time passes, and different dialects and different areas and things like that, it just changes over time. Especially because we're talking old English was in Europe, and then tit mice are here in the in North America. So language, of course, there was so many different languages coming over here with different inflections, and so those words are changing. So tit mace gradually became tit mouse, just meaning little bird. So not a very like deep meaning name, but definitely you can see where it comes from. And fun fact, and real nerdy etymology thing. The word, because the word originally ended with mace, the technical correct plural is tit mouses. But that'd be a really weird thing to say, and it doesn't sound right to most of us, so we say tit mice, which is also grammatically correct according to the dictionary. So you can say either one. And just, you know, actually, it's tit mouses. So both of these names show how language evolves over time. Chickadees got their names just from the sounds that they make, and people were like, that's cute, let's just call them what they say. Tit mice got their name from the old word for just small bird, and that slowly morphed into something that sounds like an involved mice. Sometimes bird names are scientific, sometimes they honor people, and sometimes they're just what the bird sounded like to someone hundreds of years ago. So not that deep, but pretty cool fun facts. Alright, guys, I know that's a short one, but that's all I have for you today. We're gonna do a couple more of these where did the bird name come from, and then we're gonna move on to our next season. Talk to y'all soon. Bye.