Lanthanum is a element that has a entire group of 15 similar metallic elements that share similarities to it. The Lanthanides. It’s a very sharing element, giving a +3 electron charge to its shell, it will react with oxygen, the halogens, and most acids. It’s the strongest and hardest base (alkaline) element in its group.
Goats are one of the animals longest domesticated by humans. A very versatile animal, of the bovines, it is able to live in most environments with human assistance. Breading has led to making of goats suited to some of the more hostile environments humans will endure to live in. This versatility has led me to match goats with Lanthanum.
Cerium is a very well used element, though not biologically important it isn’t toxic. Its main use is now in catalytic converters, gas lamps, in TV screens and as a additive in glass. It also may see future use in water splitting and soil state fuel cells. Alloys of cerium have been used in paints to produce both red and blue colors.
The blue mud dauber wasp, is much like other mud dauber wasps only, unsurprisingly, blue. Mud dauber wasps often have a specific prey item, be it spiders, crickets, ants or any number of insects. The blue mud dauber specially hunts the black widow spider. It’s color likely comes from the need to surprise it’s prey. Mud daubers play a very critical part in the environment in keeping insect species in check. Much much cerium keeps many of our fabulous inventions safer.