Mammals
What is the smallest mammal in the world.
The Etruscan Shrew
What is the smallest fish in the world.
The Paedocypris Progenetica
What is the smallest bird in the world.
The Bee Hummingbird
What is the smallest reptile in the world.
The Nano-Chameleon
What is the smallest amphibian in the world.
The Brazilian Flea Toad
What is the most dangerous mammal in the world.
The Hippopotamus
What is the most dangerous fish in the world.
The Stonefish
What is the most dangerous bird in the world.
The Cassowary
What is the most dangerous reptile in the world.
The Inland Taipan
What is the most dangerous amphibian in the world.
The Golden Poison Frog
What is the biggest mammal in the world.
The Blue Whale
What is the biggest fish in the world.
The Giant Oceanic Manta Ray
What is the biggest bird in the world.
The Common Ostrich
What is the biggest reptile in the world.
The Saltwater Crocodile
What is the biggest amphibian in the world.
The Chinese Giant Salamander
What is the tallest mammal in the world.
The Giraffe
What is the tallest fish in the world.
The Whale Shark
What is the tallest bird in the world.
The Wandering Albatross
What is the tallest reptile in the world.
Nile Crocodile
What is the tallest amphibian in the world.
Japanese Giant Salamander
What is the fastest mammal in the world.
The Cheetah
What is the fastest fish in the world.
The Sailfish
What is the fastest bird in the world.
The Peregrine falcon
What is the fastest reptile in the world.
The Leatherback Sea Turtle
What is the fastest amphibian in the world.
The Nauta Salamander