Intro-cirrus...the most recently discovered cloud type is, of course, the rarest!
The cirrus is the lowest type of cloud.
cirrus
a dust cloud
This type of cloud would be known as a stratus cloud
fair weather cloud is the stratus cloud...
The rarest type of coral is the Elkhorn coral.
No it isn't. The rarest is AB negative.
The rarest you can get is groudon who is a fire-machine type pokemon.
normal
iregular
AB+ is the third rarest blood type. 1 person in 29 has AB+ which is 3.4% percent of the population.
The Gem Tang!
...The Purple Rose!
O positive is the most common and AB negative is the rarest.
There isn't a 'rarest' breed you can own. You can RENT a Pegasus or Unicorn for 1million on Cloud Isle for 2 real hours, that's as rare as you could get, but you can't own one.
The rarest type of blood is O. people with O type blood can donate blood to anybody and there are very few people that have this blood type. It is extremely rare.
AB negative is the rarest blood type. AB positive is the second rarest blood type. The negative blood types are more rare than the positive. The common blood type is o.