Extremes animals

The biggest dog in the world

Wolfhound Irlandês.

The most beautiful bird in the world

Ceyx erithaca

The worst animal

A água-viva australiana (Chironex fleckeri)

The smallest animal in the world

rã Paedophryne amauensis

The heaviest whale in the world

Baleia Azul,

The most dangerous animal

 dragão de komodo 

The fastest animal

falcon, a shrimp