Hundreds of Asian openbill storks were spotted flying over the Kranji Marshes last Saturday morning - an unusual sighting of a bird that usually forages in the rice fields of countries such as Thailand.

Nature Society (Singapore) member Veronica Foo was volunteering at an event at the park in north-western Singapore when she saw the first flock of over 150 storks at around 7.15am. "Altogether, there were an estimated 300 to 400 storks flying over the Kranji Marshes around that period," said Ms Foo, who works in the finance industry.