It looked like a tiger, but it had sabre toothed.
Sabre toothed tiger
Manny is one of this...
woolly mammoth
Scrat is one of this...
a sabre toothed squirrel
It had got a big body, but tiny wings
dodo
It had got a hard armour or shell
prehistoric armadillo
It looked like a big bear.
a giant grounf sloth