A strange weather phenomena has occurred in a snowy field in Scotland.

Eunice Clarke, 55, was surprised to find hundreds of snow rollers - a rare naturally-made snowball - near her home in Glassford, South Lanarkshire.

The delicately-rolled bundles form when loose snow is blown by strong winds.

Ms Clarke was out walking her dogs Monty and Harris when she made the discovery on Tuesday.

She said: "We live out on a country road and I was walking our dogs after being snowed in all morning.

"My husband was away to work and said he saw these strange things in the field. I went down and there they were.

"They look like hula-hoops, they're about a foot tall and some of them are hollow, while others have round patterns. There are hundreds of them."

Snow rollers are extremely rare and only form when the wind is strong enough to move snow but not break it, and the snow is cold but not frozen.

Other strange weather phenomena found in Scotland include thundersnow, ice pancakes, fogbows and spume.

STV weather presenter Sean Batty said: "Snow rollers are quite rare, but when they do occur it's normally in hillier areas where there is a stronger wind.

"Snow rollers are formed when a chunk of wet snow at the surface separates from drier powdery snow below or ice and starts to roll.

"In the last few days some areas have had snow which has frozen and more snow on top, giving us the layers required for this to happen.

"The snow is rolled in a similar way to the way you would roll snow for a snowman. This snow chunk will be blown along by the wind and roll the snow up like a carpet."