The ostrich yolk is the largest single cell in the world.
The smallest fish in the world is the Trimattum Nanus the Chagos Archipelago. It measures 0.33 inches. It broke the record of the so- called "sinarapan" of Buhi, Camarines Sur, Philippines.
The only marsupial with a pouch on its back is the bandicoot.
A large amount of boulders that have fallen off a cliff is known as talus, whereas they would be known as moraine had they been left there by a glacier.
An ounce of platinum can be stretched to 10000 feet.
In 1848, Niagara Falls stopped flowing for 30 hours because of an ice jam blocking the Niagara River.
Of the twenty brightest stars in the sky, Capella is the furthest north.
Sagittarius is the furthest south of the zodiacal constellations.
The way you can usually tell whether a chicken will lay white eggs or dark eggs: If the chicken has white ear lobes, she will lay white eggs. If the chicken has red ear lobes she will lay brown eggs.
The South American Electric Eel can produce almost 1 Amp of current
Ferrets sleep for about 20 hours a day.
The opening to the cave in which a bear hibernates is always on the north slope.
The first national park, Yellowstone, was proclaimed national park in 1872 however there was no National Park Service until 1916. Until then, the parks were administered by the U.S. Army. When the Park Service was formed they got their first uniforms from the Army, hence the ranger (campaign) hats.
Bowerbirds of Australia and New Guinea decorate their courting grounds with everything from beetle wings to car keys.
Since 1600, 109 species and subspecies of birds have become extinct.
The letter J does not appear anywhere on the periodic table of the elements.
The cells which make up the antlers of a moose are the fastest growing animal cells in nature.
Hydrangeas produce pink and white flowers in alkaline soil and blue ones in acidic soil.
Jackals have one more pair of chromosomes than dogs or wolves.
Basenji dogs and Australian dingoes are virtually identical.
An ostrich's eye is bigger than it's brain.
Hippopotamuses do eighty percent of their vocalizations under water.
A hedgehog's heart beats 300 times a minute on average.
You can tell a girl crab from a boy crab by their stomachs. A girl has a beehive and a boy has a lighthouse.
Mongooses were brought to Hawaii's to kill rats. This plan failed because rats are nocturnal and while the mongoose hunts during the day.
The world's smallest mammal is the bumblebee bat of Thailand, weighing less than a penny.
The two-foot long bird called a Kea that lives in New Zealand likes to eat the strips of rubber around car windows.
It would take a one kilogram weight one hour to fall to the bottom of the Marinas Trench, the deepest part of the ocean (35,839 feet).
The Honey Badger can withstand hundreds of African bee stings that would kill any other animal.
Women blink nearly twice as much was men.