Do wild boars hibernate

yes of course :

in lungs : Metastrongulus elongatus

Mestastrongylus pudendotectus

in liver : Hydatid cyst

Cysticercus tenuicollis

in stomach : Ascarops strongylina

Physocephalys sexalatus

Ascaris suum

small intestin : Globocephalus

Brachylaemus suis