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This animal classification worksheet challenges students to sort a list of creatures into three distinct groups: mammals, fish, and birds.

Animal classification worksheet for kids sorting mammals fish and birds

Animal classification worksheet for kids sorting mammals fish and birds

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Show Answer Key & Explanations Step-by-step solution for: Animal Classifications, Classification of Animal Worksheets, 6 Group Animals
Sure! Let’s solve the “Animal Classification” worksheet step by step.

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🎯 Goal:


Classify each animal into one of three groups:
- Mammals
- Fish
- Birds

We are given 18 animals to sort:

List of Animals:
lion, shark, bat
guppy, tuna, toucan
seal, cow, pelican
canary, parrot, bass
seahorse, whale, sheep
penguin, barracuda, martin
giraffe, ostrich, eagle

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## 🔍 Step 1: Understand the Categories

Mammals:


- Warm-blooded vertebrates
- Have hair or fur
- Usually give birth to live young (except monotremes like platypus)
- Nurse their young with milk

Examples from list: lion, seal, cow, whale, sheep, giraffe, bat

> 💡 *Note: Bat is a mammal — it’s the only flying mammal! Whale and seal are marine mammals.*

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Fish:


- Cold-blooded aquatic vertebrates
- Have gills to breathe underwater
- Typically have fins and scales

Examples from list: shark, guppy, tuna, seahorse, bass, barracuda

> 💡 *Note: Seahorse is a fish — unusual shape, but still has gills and fins. Shark is a cartilaginous fish, not a mammal.*

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Birds:


- Warm-blooded vertebrates
- Have feathers, wings, and lay hard-shelled eggs
- Most can fly (but not all — e.g., penguin, ostrich)

Examples from list: toucan, pelican, canary, parrot, martin, penguin, ostrich, eagle

> 💡 *Note: Penguin and ostrich are flightless birds — still birds! Martin is a type of swallow bird.*

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## 🧾 Step 2: Sort Each Animal

Let’s go through each one:

🐆 Mammals:


- lion ✔️
- seal ✔️
- cow ✔️
- whale ✔️
- sheep ✔️
- giraffe ✔️
- bat ✔️ *(yes, it’s a mammal!)*

Total: 7 mammals

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🐟 Fish:


- shark ✔️
- guppy ✔️
- tuna ✔️
- seahorse ✔️
- bass ✔️
- barracuda ✔️

Total: 6 fish

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🦜 Birds:


- toucan ✔️
- pelican ✔️
- canary ✔️
- parrot ✔️
- martin ✔️
- penguin ✔️
- ostrich ✔️
- eagle ✔️

Total: 8 birds

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## Final Answer — Fill in the Boxes:

🐆 Mammals:


> lion, seal, cow, whale, sheep, giraffe, bat

🐟 Fish:


> shark, guppy, tuna, seahorse, bass, barracuda

🦜 Birds:


> toucan, pelican, canary, parrot, martin, penguin, ostrich, eagle

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## 📝 Bonus Tip for Students:
Some animals might trick you!
- Bat → looks like a bird? No — it’s a mammal (has fur, gives live birth, nurses young).
- Whale & Seal → live in water? Yes — but they’re mammals (breathe air, nurse young).
- Penguin & Ostrich → can’t fly? Still birds (have feathers, lay eggs).

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All 18 animals classified correctly!

You’ve now mastered basic animal classification by habitat and biological traits. Great job! 🌟
Parent Tip: Review the logic above to help your child master the concept of animal classification worksheet middle school.
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