The thylacine head has been under a bed for years before its owners discovered how rare it was.
Collector James Cranfield says "it's like a dream" to acquire the head for £62,600.
Originally thought to be a fox, it was later identified as a rare animal that died out in the 1930s.
The five-year-old elephant seal attracted global attention during his recent time ashore in southern Tasmania.
An investigation found that 177 human specimens from dozens of bodies were secretly kept by a museum.
Guernsey's Megan Chapple was part of the first team of athletes to run 308km across Tasmania.
The Guernsey runner completes the feat as part of a six-person team.
Celine Cremer, 31, disappeared after going on a hike in a rainforest in June 2023.
Researchers have used photos and records to create what Anglesey prisoners may have looked like.
