The gnat larva that develops in water satisfies its need for oxygen through an air pipe reaching to the water surface.
The bolas spider spins a thread with a sticky end and uses this sticky thread as a lasso to catch its prey.
Dolomedes spider can move comfortably on water, thanks to the waterproof liquid on its legs.
Some species of spiders in the Namibian desert in South-west Africa, when faced by danger, fully retract their legs and make their bodies exactly like a wheel.
The species of spider known as Scytodes kills its victims by squirting a mixture of toxin and gluey substance over them.
Mopsus mormon, can comfortably catch prey up to five times its own size.
Spiders' thread is five times stronger than steel of the same thickness, and can stretch to four times its own length.
Local people use the threads of the Golden orb web spider for fishing.
The threads from the Nephila spider are used as threads in some very sensitive operations, such as on tendons and joints.
A flea can jump more than 100 times its own body height, which is equivalent to a human jumping 200 meters high.
Female Rheobatrachus frogs swallow their eggs after fertilization, not to eat them but to protect them.
In rain forests, the actions of leaf cutter ants remove about 15 percent of leaf production.
When faced with danger, the wood ant bends the lower part of its abdomen from between its legs and squirts formic acid on its enemy.
Slave trading ants steal the larvae of the colony they fight, and make these larvae "slaves" for their own colonies.
Squirrels can detect the smell of nuts covered by 30 centimeters of snow thanks to their perfect sense of smell.
An ostrich can run at speeds of up to 70 kilometers (45 miles) per hour.
The geckos can easily climb even on glass with the help of the suction cups on the tips of their toes.
The trunks of elephants contain 50,000 muscles.
Hermit crabs use live weapons to protect themselves from octopuses and other enemies: They collect some plants with thorns that are painful to the touch and put them on top of their shells.
Polar bear can swim in icy cold waters with speeds of 10-11 km/hour for distances of about 2,000 km.