Mysterious foam spotted spilling out of tree

Mrs Cooper spotted the foam on her dog walk <i>(Image: Donna Cooper)</i>
Mrs Cooper spotted the foam on her dog walk (Image: Donna Cooper)

The unusual sight of foam spilling out of a tree has been spotted by a dog walker in west Suffolk.

Donna Cooper was walking her Golden Retriever in woodlands near RAF Mildenhall, in west Suffolk, last Thursday when she noticed a large quantity of foam at the base of a tree.

The fascinating occurrence takes place when it rains after a period of dry weather.

East Anglian Daily Times: The foam is formed through a chemical reaction
East Anglian Daily Times: The foam is formed through a chemical reaction

The foam is formed through a chemical reaction (Image: Donna Cooper)

READ MORE: Plans which could see Pret A Manger open approved

Known as stemflow mixing, the bubbles are formed through a chemical reaction as rainwater flows down the tree.

Mrs Cooper said she had "never seen anything like it before".