Toddler onomatopoeia such as “moo”, “woof” or “vroom” usually arrives at the same time as first words, between 12 and 24 months. Lots of children say “quack-quack” before they say “duck”. That’s normal, and even helpful: these little words are easier to pronounce and to remember. Health authorities don’t set any specific age for animal sounds.
This article sums up what we know about these special words, the language milestones that really matter, and the games that help a toddler say them.
What is onomatopoeia in a toddler?
Onomatopoeia imitates a sound: an animal’s call, a car engine, a door slamming, running water. In the speech of a child aged 1 to 3, you’ll hear several kinds.
- Animal sounds: “moo”, “miaow”, “woof”, “quack-quack”, “cock-a-doodle-doo”, “baa”.
- Vehicle sounds: “vroom”, “beep-beep”, “nee-naw”.
- Everyday sounds: “boom”, “splash”, “crash-bang”, “yum”.
For a while, some of them stand in as the name of the thing itself. Your child says “woof” while pointing at a dog, or “vroom” for a car. The proper word will come later, and there’s no need to correct them every time.
At what age do babies make animal sounds?
There is no official milestone for animal sounds. Neither the milestone checklist from the US Centers for Disease Control and Prevention (CDC) nor the Naître et grandir milestones mention them. They can, however, be placed alongside the stages of language development, which are well documented.
According to Naître et grandir, a child usually says their first word between 12 and 16 months. Their first words name familiar people and objects, or moments of the day such as “night-night” or “bye-bye”. Onomatopoeia appears in the same period, often among the very first words.
At around 18 to 24 months, the child starts putting two words together, such as “daddy gone” or “more milk”. Animal sounds get combined too: “big woof”, “more moo”. Between 2 and 3, they more often make two- or three-word sentences, and onomatopoeia gradually gives way to the real names.
These ages are averages. Some children imitate animals from 12 months, others never do it much and go straight to the names. Both paths are normal.
Understanding before speaking
Long before saying “moo”, a child recognises the cow when you name it. The CDC milestone checklist for 2 years mentions a child who points to things in a book when asked, for example “Where’s the bear?”. This understanding always comes before speech. Our article on the child who points to body parts describes the same logic.
Why is onomatopoeia easier to say?
Linguist Catherine Laing, of Cardiff University, studied the first words of sixteen children. Her article, published in 2019 in the journal Language Learning and Development, starts from one observation: onomatopoeia is far more common in children’s first words than in adult language.
Two explanations complement each other.
- The sound resembles the thing. “Moo” suggests the cow, “vroom” suggests the car. Researchers call this iconicity: this link between a word and what it refers to could make these words easier to learn.
- Their shape is simple to pronounce. Laing observes that children prefer open syllables, consonant then vowel, and repeated consonants. “Choo-choo”, “baa-baa” or “moo-moo” fit exactly these easy-to-plan, easy-to-produce shapes.
Adults play their part too. When we talk to a toddler, we naturally use these words, in a more sing-song voice and with lots of repetition. So the child hears them often, in situations that interest them.
Toddler onomatopoeia: should you use it too?
Yes, without hesitation, as long as you pair it with the real word. Saying “Look, a cow! It goes moo” gives your child both pieces of information at once. The sound lets them join in straight away; the name will come when they’re ready.
There’s no need, on the other hand, to correct them if they say “woof” for a dog. Simply rephrase naturally: “Yes, it’s a dog, it goes woof.” Naître et grandir advises praising your child when they repeat a word, without pushing them.
Games and activities to encourage onomatopoeia
Animal sounds lend themselves to lots of little games, with no special equipment.
- Picture books and animal books: point, name, make the sound, then leave a pause so your child can have a go. Our article on reading a book to your baby has more ideas.
- Nursery rhymes about a farm or animals: repetition does the work.
- The “who says…?” game: “Who says miaow?” Your child points to the cat in a picture or among their toy figures.
- Figures on the floor: a makeshift farm with a few animals on a baby play mat invites play at child height.
- Everyday sounds: name the “splash” at bath time, the “vroom” of the car, the “yum” at mealtimes.
These games rely on imitation, a powerful driver at this age. Our article on imitation in babies explains how they learn by watching adults.
Gestures help too
Acting out the animal, flapping your arms like a duck’s wings or galloping like a horse, links the body to the sound. In a child who doesn’t talk much, gestures and pointing already say a lot. Our article on the baby who points looks at this stage in detail.
From onomatopoeia to first sentences
According to Naître et grandir, a child’s vocabulary only really takes off, and they only start combining words, once they know about fifty. Onomatopoeia is part of this first stock. It often provides the building blocks for the first combinations: “cat miaow”, “car vroom”.
Little by little, your child replaces “woof” with “dog”, then with “the dog”. This happens on its own, through everyday conversation. To follow what comes next, our article on baby language development traces the stages up to age 3.
My child doesn’t make animal sounds: should I worry?
Not in itself. A child may never say “moo” and still talk perfectly normally. What matters is communication as a whole: do they understand simple instructions, show you what they want, try to interact, add new words as the months go by?
The CDC milestone checklist for 2 years includes these points among others:
- saying at least two words together, such as “more milk”;
- pointing to things in a book when asked;
- pointing to at least two body parts;
- using gestures other than waving and pointing, such as blowing a kiss or nodding yes.
If several of these milestones are missing, talk to your doctor or the PMI (the French mother and child health service). A hearing check is often part of the assessment. Acting early helps your child, and an appointment doesn’t mean there’s a problem.
Key takeaways
- Onomatopoeia often appears with first words, between 12 and 24 months.
- There is no official age for animal sounds: it’s a common stage, not a milestone.
- These words are easier to say because their sound resembles the thing and their shape is simple.
- Using them alongside the real word helps your child build their vocabulary.
- Not making animal sounds is not, on its own, a cause for concern: look at the language milestones as a whole.
Sources
- Laing C. E., “Phonological motivation for the acquisition of onomatopoeia: An analysis of early words”, Language Learning and Development, vol. 15, no. 2, pp. 177-197, 2019.
- Naître et grandir, “Language development in children aged 1 to 3”, updated August 2024.
- Naître et grandir, infographic “Le développement du langage de 0 à 5 ans”.
- Centers for Disease Control and Prevention (CDC), “2 Year Online Milestone Checklist”, updated 17 February 2026.
