a dog, a cat, a bat and there are many more that you will have to find out yourself
The hippopotamus is a mammal that has 12 letters in its name. and the big blue whale
the three toed sloth is a mammal
panda
badger
the answer is seal
human
mammoth
treeshrew
Some mammals that have four letters include seal, mink, and bear.
The letters spell the word lemur. It means an arboreal mammal related to the monkeys.
Tiger?
zebra