Wildlife does not react to separation or death as humans. The parents may look for the cygnet for a couple of hours, but then they go about their business. In this case, the parents probably saw the cygnet being captured and also knew there was something wrong with the cygnet which further mitigated the issue of losing the the young bird.

This particular situation should not cause the parents to leave the area unless there is another reason for the swans to leave, i.e., predators, lack of food, shelter or other habitat requirements. The Regal Swan
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