Hummingbirds cannot walk.
True
It is very hot in Sahara at night.
False
Nile crocodiles never attack people.
False
Manatees are the closest relatives of elephants.
True
Koalas eat nothing except for eucalyptus leaves.
True
Chickens swallow small stones to obtain mineral substances.
False
Birds' of prey females are larger and stronger than their males are.
True
All owls hunt only at night and sleep in the daytime.
False
Penguins never drink water; it gets into their bodies during swimming.
False
Cactuses have no roots.
False
Starfish can turns its stomach inside out.
True
The most noisy creature in an ocean is a shrimp.
True
Sahara is the hottest place in the world.
True
Giraffes for a self-defense use their heads as a hammer.
True
A new born kangaroo can fit into a teaspoon.
True
Each silk worm cocoon consits of a silk thread that is one kilometer long.
True
The Golden Poison Dart Frog can kill by its look.
False
Mosquitoes are attracted by a smell of people who just ate bananas.
True
Blue Whale's tongue weighs as much as three adult elephants do.
False
A bumblebee is a male bee.
False
A leech can change its gender several times.
True
All cobras are deaf and cannot hear pipe sounds.
True
Polar bears can dive from a height of fifteen meters.
True
Oysters can change their gender.
True