Yes, ducks can often distinguish between the quacks of their own family members and those of other ducks. Ducks, like many other birds, have developed specific vocalizations and calls that help them recognize and communicate with members of their group or flock. Individual ducks may have unique vocal characteristics that enable them to identify each other.

In particular, ducklings can recognize and respond to the calls of their mother shortly after hatching. This is crucial for survival, as it helps the ducklings stay close to their mother for protection and guidance.

Additionally, ducks use vocalizations not only to maintain group cohesion but also to establish social bonds and hierarchies within the flock. By recognizing and differentiating the calls of other ducks, they can better navigate their social environment.

While ducks are generally good at recognizing familiar calls and vocalizations, it's worth noting that there may still be instances where they have difficulty distinguishing between the quacks of different individuals, especially in large flocks or in situations with high background noise.
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