Do you mean by number or by dangerous. For the latter I would save wolves and bears.
bears and owls are the two most wild animals in poland.
The most well known are rhino and elephant
I came up with two names for two books with the same title : Damien Toll and Martin Ursell
Tiger and lion.
It really depends on which two animals are at it. It also depends on the personality of the animal.
There are currently only two ways to acquire wild animals in AOE 3 without cheating. First off if you have the warchief's expansion you can use your warchief to tame wild animals. Secondly, you can use the map editor to give yourself wild animals.
Bulgaria and greece
Bears and wild cats
Lion and tiger are two animals that makes the word loitering. Both of these animals are related as well since they are wild cats.
Bulgaria has the normal two seasons: Summer and Winter.
The two most endangered animals on earth are the Black Rhino and the Giant Panda.
Probably one of two - either 'Animals do the funniest things' or 'Planets funniest animals'