Europium is a element that is liquid at room temperatures, and often can look like a silvery metal. It can oxidize fairly easily so care is taking in its handling. It’s used in lasers, lights, CRT monitors, and computing.
The moon jellyfish is a odd little creature that is only about 25-40 cm round when full grown. It’s capable of a small range of movement and can swim to a very small extent. It generally follows currents to feast on plankton. It’s tied to European as its a water creature that likes lukewarm environments.
Gadolinium is a fairly rare, rare earth metal, that has applications in medicine for radiation therapy and as a neutron absorbing elements that can be used in fission nuclear reactors.
Ruddy Shelducks is a duck that has amazingly orange coloured feathers that lives all over Europe and Asia. It’s usually nocturnal and like most ducks is an omnivore. It’s tied to be Gadolinium as when it’s in it’s mineral form as Gadolinite it’s an amazing orange-red colour like the Shelduck.