The answer depends on what you want tell it apart from!
a partrige would cost around 500000million euros!!!!!!!
a partrige in a pear tree is a smaal bird in a pear tree
It's a bird.
about £100
Yes, the Gray Partridge can indeed fly.
partrige, pudding, etc.
it depends what you are telling apart
Meerkats tell each other apart with smell and dominant
Depends what "them" is
As humans we have a hard time telling penguins apart. However, They can tell each other apart by distinct vocalizations.
For the average human viewer there appears to be little way to tell a Pill Bug apart but they do have markings on there backs which can allow them to be told apart.
I can tell them apart by their hairstyle and attitudes (including their music). Maybe you should try the same.