Which among the following are called the Darwin's finches?

Options

A. Archaeopteryx
B. Pteranodon
C. Pavo cristatus
D. Small black birds

Answer

**Step-by-Step Solution:**

1. **Understanding the Question**: The question asks which birds are referred to as "Darwin's finches."

2. **Identifying the Options**: The options provided are:
- Archaeopteryx
- Pteranodon
- Pabuchristatus
- Small blackbirds

3. **Researching Darwin's Contribution**: Charles Darwin is known for his theory of natural selection and made significant observations during his voyage to the Galapagos Islands.

4. **Observations in Galapagos**: During his trip, Darwin observed a group of small black birds on the Galapagos Islands. These birds were unique and not found anywhere else in the world.

5. **Naming the Birds**: Darwin referred to these birds as "Galapagos finches" because they played a crucial role in his studies of evolution and natural selection.

6. **Analyzing the Options**:
- **Archaeopteryx**: This is incorrect as it is a transitional fossil between birds and reptiles.
- **Pteranodon**: This is also incorrect; it was an extinct flying reptile from the age of dinosaurs.
- **Pabuchristatus**: This is incorrect; it is the scientific name of a peacock, unrelated to Darwin's studies.
- **Small blackbirds**: This is the correct option, as these are the birds Darwin studied and named Galapagos finches.

7. **Conclusion**: The correct answer to the question is "small blackbirds," which are known as Darwin's finches.

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