50+ common animal idioms in English with meanings and examples

elsaspeakadmin

August 28, 2026

Idioms

Animal idioms are fun and colorful English expressions to describe people, situations, behaviors, and much more. In this guide, you’ll discover English animal idioms, their figurative meaning with examples, and practical tips to help you remember idioms longer. 

📌 Key Takeaways
Animal related idioms are expressions that use animals to describe people, situations, behaviors, and much more in a colorful way.
Common cat and dog idioms:
  • Let the cat out of the bag: Reveal a secret.
  • Cat got your tongue: Why are you so quiet?
  • Barking up the wrong tree: Blame or ask the wrong person.
  • Let sleeping dogs lie: Don’t bring up old problems.
  • Dog and pony show: An elaborate presentation intended to impress rather than provide useful information.
Other animal-related idioms
  • Hold your horses: Wait or slow down.
  • Kill two birds with one stone: Do two things at once.
  • Elephant in the room: An obvious problem nobody wants to discuss.
  • A fish out of water: Feel uncomfortable in a new situation.

Common animal idioms and their meanings

Below are more than 20 animal idioms along with their meanings and examples:

English animal idioms about dogs

IdiomMeaningExample 
Every dog has its dayEveryone gets a chance to succeedDon’t give up this time. Every dog has its day. 
Let sleeping dogs lieDon’t bring up old problemsThe conversation ended a few days ago. Let sleeping dogs lie. 
Barking up the wrong treeBlame or ask the wrong personIf you think I broke the vase, you’re barking up the wrong tree. 
Work like a dogWork very hardHe worked like a dog for his bonus paycheck. 
Dog-eat-dogVery competitiveThe business industry is a dog-eat-dog world.
UnderdogA person expected to loseThe underdog surprised everyone by winning the race. 
You can’t teach an old dog new tricksOld habits are hard to changeHe still prefers using paper maps. You can’t teach an old dog new tricks. 
Dog and pony showAn elaborate presentation intended to impress rather than provide useful informationThe meeting quickly turned from a serious discussion to a dog and pony show.
Animal related idioms about dogs
Animal related idioms about dogs
Animal related idioms about dogs

Animal idioms about cats

IdiomMeaningExample 
Let the cat out of the bagReveal a secretStacy let the cat out of the bag about the party. 
Curiosity killed the catBeing too curious can cause troubleDon’t ask too many questions. Curiosity killed the cat. 
A cat has nine livesSomeone survives difficult situationsI thought he’d be hospitalized in that accident. That guy must have nine lives!
Fight like cats and dogsFight or argue a lotEven if they fight like cats and dogs, they still care about each other. 
Cat got your tongue?Why are you so quiet?What happened? Cat got your tongue?
Scaredy-catA person who is easily scaredHe’s a scaredy-cat. 
Fat catA rich or powerful personWe got a fat cat visiting our event this afternoon. 
Like herding catsBe difficult to organizeGetting everyone to agree on a destination was like herding cats.
Animal idioms in English about cats
Animal idioms in English about cats
Animal idioms in English about cats

Animal idioms with meanings about horses:

IdiomMeaningExample 
Hold your horsesWait or slow downHold your horses! I haven’t gotten ready yet!
Get off your high horseStop acting superiorGet off your high horse, no one wants to listen to you.
Beat a dead horseKeep discussing something pointlessStop beating the dead horse!
Don’t look a gift horse in the mouthDon’t complain about a giftThe phone was free, so don’t look a gift horse in the mouth. 
Dark horseAn unexpected winnerI didn’t expect that dark horse would win the championship. 
Eat like a horseEat a lotHe was so hungry, he ate like a horse.
Put the cart before the horseDo things in the wrong orderPlanning the wedding before engagement is like putting the cart before the horse.
A one-horse townA small, quiet townI went back to my hometown yesterday. It was a one-horse town. 
English animal idioms about horses
English animal idioms about horses
English animal idioms about horses

Animal idioms list about birds

IdiomMeaningExample 
Kill two birds with one stoneDo two things at onceI’ll kill two birds with one stone by going grocery shopping on my way home from work.
Birds of a feather flock togetherSimilar people stay togetherJohn likes snowboarding and Jane likes skiing. Birds of a feather flock together.
A little bird told meSomeone told me a secretA little bird told me that you were hiding my pen. 
Watch like a hawkWatch very carefullyThe teacher was watching the student like a hawk during the exam. 
Night owlA person who stays up lateHe’s a night owl. 
Spread your wingsBecome more independentYou need to go out and spread your wings.
A bird in the hand is worth two in the bushWhat you have is better than an uncertain optionIf I were you, I’d accept that job. A bird in the hand is worth two in the bush. 
Animal idioms list about birds
Animal idioms list about birds
Animal idioms list about birds

Below are more than 10 animal idioms with meanings: 

Animal idioms in English about people and personality

IdiomMeaningExample 
The black sheep of the familyA person who is different from their familyHe’s the black sheep of the family. 
A snake in the grassA person who pretends to be friendly but is notI don’t like Mary. She’s a snake in the grass. 
A lone wolfSomeone who prefers to be aloneJake is a lone wolf who prefers to work on the project all by himself. 
A social butterflySomeone who enjoys meeting peopleShe has a lot of friends. She’s such a social butterfly. 
A wolf in sheep’s clothingSomeone who looks harmless but is dangerousDon’t interact with that guy. He’s a wolf in sheep’s clothing. 
Busy as a beeVery busy and activeShe’s been busy as a bee to prepare for her study abroad.  
Eager beaverSomeone who is very enthusiastic and hardworkingTom is an eager beaver. You can try asking him for help. 
Animal idioms with meanings about people and personality
Animal idioms with meanings about people and personality
Animal idioms with meanings about people and personality

Animal idioms and phrases about success and challenges

IdiomMeaningExample 
Take the bull by the hornsDeal with a difficult situation directlyJust take the bull by the horns and ask our manager. 
Have bigger fish to fryHave more important things to doDon’t bother me with that. I have bigger fish to fry. 
Separate the sheep from the goatsIdentify the better or more capable peopleThe final test will separate the sheep from the goats.
Sort the sheep from the goatsSeparate people or things into different groups based on qualityWhy don’t you try to sort the sheep from the goats? 
Get the lion’s shareGet the largest part of somethingHe did most parts of the project. He deserved to get the lion’s share. 
Throw someone to the wolvesLeave someone to face a difficult situation aloneDon’t throw John to the wolves. Help him. 
A fish out of waterFeel uncomfortable in a new situationHe was like a fish out of water at the party. 
Animal idioms and phrases about success and challenges
Animal idioms and phrases about success and challenges
Animal idioms and phrases about success and challenges

Animal idioms about emotions and behavior

IdiomMeaningExample 
Have ants in your pantsBe unable to sit stillStop moving around. Do you have ants in your pants? 
Get someone’s goatAnnoy someoneStop getting my goat!
Have a frog in your throatHave difficulty speaking because your throat feels blockedHe had a frog in his throat due to his nervousness during the interview. 
Butterflies in your stomachFeel nervous or excitedShe has butterflies in her stomach before prom. 
Clam upSuddenly stop talkingHe suddenly clammed up when Rick walked in. 
Go apeBecome very excited or angryThey went ape when they saw the new movie poster. 
Pig outEat a lot of foodWe pigged out on the pizza while watching the movie. 
Animal idioms about emotions and behavior
Animal idioms about emotions and behavior
Animal idioms about emotions and behavior

Animal idioms about impossible situations

IdiomMeaningExample 
Open a can of wormsCreate a complicated problemGreat, you just opened a can of worms. 
The elephant in the roomAn obvious problem nobody wants to discussSo no one wants to talk about the elephant in the room?
In the belly of the beastIn the center of a difficult or dangerous situationThe journalist went into the belly of the beast to report about the conflict. 
When pigs flySomething will never happenWhen pigs fly, he’ll clean his room. 
Until the cows come homeFor a very long timeHe won’t return until the cows come home. 
When donkeys flySomething is extremely unlikely to happenShe’ll apologize when donkeys fly. 
Animal idioms about impossible situations
Animal idioms about impossible situations
Animal idioms about impossible situations

How to learn and remember animal idioms in English

Animal related idioms can be quite tricky to remember due to their figurative meaning having little or nothing to do with the animals mentioned. Instead of memorizing long lists, try these practical strategies below: 

  • Group idioms by meaning or animals: Try to organize these idioms into smaller groups, such as idioms about cats, dogs, horses. You can also try to group them by meaning for easier understanding and remembering.
  • Learn them in context: Instead of learning only by books, try to pay attention to how native speakers use these expressions in conversations, movies, and other English content.
  • Create your own example: Jot down a few sentences using each new idiom and connect them to your own life. This will help you remember when to use them much easier.
  • Practice listening and speaking: Listen for these English animal idioms in content like podcasts, TV shows, movies, then practice saying them aloud so you can become familiar with their pronunciation, rhythm, and usage.
  • Review regularly: Don’t try to memorize all idioms in one go. Instead, learn them bit by bit, then review them over several days using flashcards, quizzes, or short writing exercises to strengthen your long-term memory. 
How to learn and remember animal idioms in English
How to learn and remember animal idioms in English

>> Read more: 100+ funny idioms that will make you laugh

Learning animal idioms is a fun way to expand your vocabulary and sound more natural in everyday conversations.For more interesting idioms, meanings, and examples, visit the Vocabulary category on the ELSA Speak blog to discover practical English lessons and expert tips for using English naturally.

Related Articles

50+ English food idioms with meanings and examples

elsaspeakadmin

2026-08-28

50+ English food idioms with meanings and examples

Idioms

80+ love idioms in English: Meanings and examples

elsaspeakadmin

2026-08-28

80+ love idioms in English: Meanings and examples

Idioms

100+ funny idioms with meanings that will make you laugh

elsaspeakadmin

2026-08-07

100+ funny idioms with meanings and examples for everyday English

Idioms

100+ common English idioms with meanings and examples

elsaspeakadmin

2026-07-22

100+ common English idioms to sound like a native speaker

Idioms

Ready to See What ELSA Can Do for You?

Take your free AI assessment and get a personalized voice improvement plan in under 2 minutes.

Buy Now