Egrets are often seen along with grazing cattle . How do you refer to this interaction? Give a reason for this association.

Explanation

### Step-by-Step Solution:

1. **Identify the Interaction**: The interaction between egrets and grazing cattle is referred to as **commensalism**.

2. **Explain the Reason for the Association**: Egrets are often seen with grazing cattle because the movement of the cattle stirs up the vegetation. This movement causes insects to become dislodged and come to the surface.

3. **Describe the Benefit to Egrets**: The egrets take advantage of this situation by feeding on the insects that are exposed due to the cattle's movement. This provides a food source for the egrets.

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