Bernard Castelein / Birch trees and grass covered in heavy hoar frost, Groot Schietveld, Wuustwezel, Belgium

Bernard Castelein / Chaffinch (Fringilla coelebs) on frosty branch. Kapellen, Belgium, February.

Bernard Castelein / Robin (Erithacus rubecula) on frosty branch. Brasschaat, Belgium, February.

Bernard Castelein / Scots pine tree (Pinus sylvestris) covered in hoar frost at dawn, Klein Schietveld, Brassschaat, Belgium

Bernard Castelein / Trees and grass covered in heavy hoar frost, Groot Schietveld, Wuustwezel, Belgium

Bernard Castelein / Hoar frosted Silver birch trees {Betula pendula} Kalmhoutse Heide, Belgium, Europe

Bernard Castelein / Dandelion seed dispersing {Taraxacum officinale} Europe