Give examples of animals exhibiting menstrual cycle.

Explanation

To answer the question about animals exhibiting a menstrual cycle, we can follow these steps:

### Step-by-Step Solution:

1. **Define Menstrual Cycle**:
- The menstrual cycle is a monthly cycle that occurs in some female mammals, characterized by the shedding of the uterine lining when an ovum is not fertilized. This cycle typically lasts about 28 days and includes phases such as follicular development, ovulation, and menstruation.

2. **Identify Animals with Menstrual Cycles**:
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