12/06/2026
Moulting Season:
Swans undergo a full moult each summer, typically in July or August, to replace their worn flight feathers. In the weeks leading up to the moult, they undergo significant physical and behavioural changes. As they shed their primary and secondary flight feathers and grow new ones, they become completely flightless for around six weeks. During this vulnerable period, swans often spend more time on the water, avoid open spaces, and may appear unusually irritable or defensive as they conserve energy and protect themselves from potential threats.
Breeding pairs do not usually moult at the same time, as doing so would leave both the adults and their cygnets vulnerable to predators. Instead, the parents stagger their moults so that one adult remains capable of flight and can help protect the young.
During the moulting period, swans' wings may appear wispy or ragged, and large numbers of loose feathers can often be seen floating on the water or scattered
along the banks.π¦’π¦’π¦’