Juvenile of a huge, flightless bird with a massive beak and powerful clawed feet

Small lizard toad with fly agaric umbrella over its head. Model: ToadyStool by bennettklein, licensed underCC BY-SA 3.0 .

Young animal of a now extinct llama-like mammal with a short trunk

Young animal of a now extinct llama-like mammal with a short trunk

Young animal of a now extinct llama-like mammal with a short trunk

Young animal of a now extinct llama-like mammal with a short trunk

Cub of a large mammoth with a bulging skull and no tusks yet

Juvenile of a now extinct rhinoceros-like mammal with a forked, blunt nasal horn

Juvenile of a now extinct rhinoceros-like mammal with a forked, blunt nasal horn

Fawn of a prehistoric giant deer

Fawn of a prehistoric giant deer

Fawn of a prehistoric giant deer

Fawn of a prehistoric giant deer

Fawn of a prehistoric giant deer

Young giant sloth with a strong body and long claws

Young giant sloth with a strong body and long claws

Juvenile of a massive, prehistoric mammal relative with a small head and protruding lower jaw

Cub of a prehistoric small elephant with small ears

Cub of a prehistoric small elephant with small ears

Young animal of an early, prehistoric mammal relative with a lizard-like body and long skull

Cub of a prehistoric, giant lion

Not yet fully grown, prehistoric pachyderm with a strong body and long neck

Not yet fully grown, prehistoric pachyderm with a strong body and long neck

Young animal of a prehistoric pachyderm with a strong body and a long neck