The glass frog is strange because its abdomen is transparent. Therefore, you can see its internal organs. Viewers can see the heart pumping blood into the arteries.
If you are diving in the waters off the south and central Australian coast and see something resembling a twig in the seas, you may want to pay attention because it may be a leafy sea dragon.
The strange coloring pattern on the okapi makes you wonder if this animal is a species of deer or zebra, but okapis are the only living relative of the giraffe.
The East Africa gerenuk has an extremely long neck, but these animals are also strange because of their ability to rear up and stand on their back legs.
The unusual spiral horns on the markhor can grow to be 5 feet long on mature males. Females of this species that is the largest of the goat family, live in herds of 50-to-100 animals.
Besides the platypus, the echidna is the only mammal to lay eggs. This member of the anteater family lives in Australia, Tasmania, and Papua New Guinea.
Except for primates, the kinkajou is the only tree-dwelling mammal. These animals can turn their feet around so that they can efficiently run backward.
While many birds, like the mockingbirds, thrashers, and catbirds, can mimic the sounds of other birds, the lyrebird is unique because it can mimic environmental sounds.
Often called fainting goats, myotonic goats have a unique defense mechanism. These animals fall when they are scared, and their limbs become rigid.
The blue glaucus, also known as the blue dragon, is a mollusk found in the Atlantic, Pacific, and Indian oceans. The blue dragon floats through the water on its back.