Intro-cirrus...the most recently discovered cloud type is, of course, the rarest!
a dust cloud
This type of cloud would be known as a stratus cloud
fair weather cloud is the stratus cloud...
'Cirrus' is a type of cloud characterized by thin, wispy strands high in the sky.
The cloud type depends on the height and formation of the cloud. Cloud types will be different for different locations during the same time period, therefore, will vary depending on location.
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.
iregular
normal
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.
...The Purple Rose!
The Gem Tang!
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.
AB Negative is the rarest blood type with less than one percent of the population having that type. However, the person with this type of blood can also receive several other types.
AB , the rarest bloodtype.