Hardwood from oak or beech, hard decayed. May also be a piece of a bigger log. See photos!

Illustration likewise, similar

Size: Caliber at least 4 cm. Lenght at least 12 cm (average 6x13 cm). Volume of cut pieces always bigger.

Hardwood from oak or beech, medium decayed.
May also be a piece of a bigger log. See photos!

Illustration likewise, similar

Size: Caliber at least 5 cm. Lenght at least 12 cm (average 7x12 cm). Volume of cut pieces always bigger.

exemplary, likewise image. May also be a piece of a bigger log. See photos!

White-rotten Breeding Wood

soft decayed, slightly rotten, partly mantled with fungi, softest in structure

Harwood from oak or bleech

Size: Caliber at least one decimeter (10x10x10 cm). Mostly much bigger.
Volume of cut pieces always bigger.

Hardwood from oak or beech, soft decayed. May also be a piece of a bigger log. See photos!

Illustration likewise, similar

Size M: Caliber at least 7 cm. Lenght at least 12 cm (average 9x14 cm). Volume of cut pieces always bigger.

exemplary, likewise image

White-rotten Breeding Log. May also be a piece of a bigger log. See photos!

Medium hard, slightly rotten, partly mantled with fungi

Harwood from oak or bleech

Size: Caliber at least one decimeter (10x10x10 cm) Volume of cut pieces always bigger.

Hardwood from oak or beech. May also be a piece of a bigger log. See photos!

Size: Caliber at least 7 cm. Lenght at least 12 cm (average 9x14 cm).
Volume of cut pieces always bigger.