Apart from being drawn to the suitable temperatures and the pristine, unpolluted waters of the lake, the swans also come here for the algae at the bottom of the lake. Providing the swans with ample nutrition, the algae are one reason this inlet became Swan Lake.
除了溫度適宜、湖區未被汙染等條件外，天鵝湖底豐富的藻類，為天鵝提供了充足的食源，也是天鵝湖形成的一大原因。