damp dark delicate fern floor forest green plant stunning unveil flowers leaf leaves pink rhododendron snowdrop stem white yellow Aster autumn color fall flower garden nature purple abstract macro red texture tree veins crafts fibre handcrafts knit knitting skein thread wool yarn animal animals beak bird birds eagle eagles of prey steppe betula pendula Betula verrucosa birch tree tree trunk winter brilliant clothe clothes dress fabric grey robe shine silver colour green fern leaves Green leaves plant leaves vegetation background field flora foliage grass grasses plants black captive captivity carnivore cat jaguar mammal predator zoo