Free Animal Classification Worksheets for Kids - Free Printable

Problem Overview:

The task is to determine whether each clue corresponds to a bird or a mammal. The goal is to check the appropriate box for each clue based on general characteristics of birds and mammals. Here's how we can solve it step by step:

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Clues and Analysis:

#### Clue 1: I have wings.
- Birds: Most birds have wings, which they use for flying.
- Mammals: Very few mammals have wings (e.g., bats), but this clue generally applies to birds.
- Answer: Check the box for birds.

#### Clue 2: I give birth to live young.
- Birds: Birds lay eggs and do not give birth to live young.
- Mammals: Most mammals give birth to live young.
- Answer: Check the box for mammals.

#### Clue 3: I have fur.
- Birds: Birds have feathers, not fur.
- Mammals: Most mammals have fur.
- Answer: Check the box for mammals.

#### Clue 4: I build a nest.
- Birds: Many birds build nests to lay eggs and raise their young.
- Mammals: While some mammals build nests (e.g., squirrels), this behavior is more commonly associated with birds.
- Answer: Check the box for birds.

#### Clue 5: I drink milk.
- Birds: Birds do not drink milk; they typically feed on insects, seeds, or other food sources.
- Mammals: Many mammals drink milk, especially when they are young (e.g., nursing from their mothers).
- Answer: Check the box for mammals.

#### Clue 6: I hatch from an egg.
- Birds: Birds hatch from eggs.
- Mammals: Most mammals do not hatch from eggs; they are born live.
- Answer: Check the box for birds.

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Final Answer:

Based on the analysis above, the correct boxes to check are:

1. I have wings. → birds
2. I give birth to live young. → mammals
3. I have fur. → mammals
4. I build a nest. → birds
5. I drink milk. → mammals
6. I hatch from an egg. → birds

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Box-Filling Instructions:

- For birds: Check the left box in rows 1, 4, and 6.
- For mammals: Check the right box in rows 2, 3, and 5.

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Final Answer in Box Format:

\[
\boxed{
\begin{array}{c|c|c}
\text{Clue} & \text{Birds} & \text{Mammals} \\
\hline
1 & \checkmark & \\
2 & & \checkmark \\
3 & & \checkmark \\
4 & \checkmark & \\
5 & & \checkmark \\
6 & \checkmark & \\
\end{array}
}
\]