I absolutely love the Giant Panda's, but they are often mistaken for the red panda's.
They are? Aren't they completly different sizes? The giant panda is giant and the red panda is only about the size of a raccoon right?
Yes, it is about the size of a cat, but heavier and with a longer body. 
Then how can you say people often mix them up?
Well its said that it is called the "giant panda" to distinguish it from the red panda. I'm not really sure how the two could be mixed up honestly.
Ah I see, are they any other distinctions you know of other than size between the two?
though with a longer body and somewhat heavier. It is arboreal, feeds mainly on bamboo, but also eats eggs, birds, and insects. It is a solitary animal, mainly active from dusk to dawn, and is largely sedentary during the day. It is also called the lesser panda, the red bear-cat, and the red cat-bear.
The red panda is the only living species of the genus "Ailurus" and the family Ailuridae. It has been previously placed in the raccoon and bear
in Sichuan) along with about 300 in captivity in Chinese breeding centers and zoos. The animal is rare and elusive. Though classified as a omnivore, the giant panda's diet is over 90% bamboo. Its black and white coloration provides a degree camouflage in the dense forests, but the adult animal has no natural predators. Giant pandas are notoriously difficult to breed; they have short mating periods, and give birth to only one or two cubs per year. The giant panda cub is the smallest baby, compared in