Warthog tusk 

Phacochoerus africanus

Cat skull on base 

Felis catus

Skeleton of a snake in a frame

Species: Trimeresurus albolabris - Green pit viper

Cat skull under glass dome

Felis catus

Chicken - Gallus gallus domesticus 

Bird skull

Non-protected species - NOT CITES

Fisher skull (Marten) of Canada 

Martes pennanti

Medicalized sheep skull on a base

Ovis aries

Ancient skull whose teeth were discovered under the bone and above the eye socket, with Roman numerals written in places. It may have been a skull used for study in a school.

Original patina, the skull is not young, there may be some missing pieces! It looks like it came out of the reserves of an old museum.

Fox Skull

Vulpes vulpes

Some skulls may have missing, worn, cracked or broken teeth, holes caused by shotgun pellets, etc...