#6 Plenty of Pythons Just when you’d think that southern Florida had enough problems with pythons, here’s even worse news. Wildlife experts there have recently identified certain snakes as hybrids of Burmese pythons and Indian pythons. Many of those reptiles were exotic pets that were released by their owners into the wilderness where they upset the ecology. Tens of thousands of Burmese pythons have ravaged the populations of small mammals. Burmese pythons can grow to around 19 feet long (5.7 m) and weigh more than 160 pounds (75 kg). Indian pythons are smaller and are excellent swimmers. These hybrids are said to be more powerful and more adaptable to their habitat than their nonhybrid parents.
#5 Ligers These majestic beasts are the result of having a tiger for a mother and a lion for a father. These hybrids are recognized as the world’s largest extant felines Hercules, a liger that weighs around 922 pounds (418 kg) holds the Guinness record for the world’s largest living cat. Their massive size is caused by the lack of a gene which inhibits their growth. That means they can grow larger than either parent. They also inherit traits from their parents including the sociability of lions and a fondness for the water like tigers. Since the territories of tigers and lions don’t overlap in the wild, these biggest of the big cats are bred only in captivity. Because of that ,they can exhibit a peaceful and docile demeanor. But their huge size makes them potentially dangerous animals. They’ve been known to attack caretakers, and at least one fatality has been documented. Did you know the name Liger first appeared in the 1930s? But crossbreeding between tigers and lions can be traced to the 19th century in India.
#4 Saltie Siamese Crocs Measuring around 20 feet long (6 m) and weighing more than 2,300 pounds (1,075 kg), Saltwater Crocodiles are recognized as the world’s largest extant reptiles. Siamese crocs are much smaller. At their largest they can weigh about 800 pounds (350 kg) and measure 13 feet long (4 m). But when these species interbreed, it’s easy to see which parent the offspring most resembles. Hybrids can be some enormous beasts, weighing nearly 2,400 pounds (1,089 kg) and measuring 20 feet (6 m), depending on the cited source. A croc that huge can’t help but appear dangerous. Did you know that some of these hybrids have a bite force that’s been estimated at 5,000 pounds (2,269 kg) of pressure per square inch (6.5 sq cm)?
#3 GrolarPizzly Bears Polar bears are the world’s largest terrestrial carnivores. Weighing more than 1,500 pounds (700 kg) and measuring nearly 9 feet (3 m), that’s tough to argue. Grizzly bears, a subspecies of brown bear, can reach comparable sizes. While the former is found in the Arctic Circle, subspecies of the latter are found in areas of North America, Asia and Europe. On rare occasion the two species have hooked up and produced hybrids known as Grolar Bears or Pizzly Bears. There are eight that have been documented to occur in captivity and in the wild. Experts say they behave more like Polar bears, but their physiques display traits of both parents. Maybe that’s not so good considering that the behavior of Polar bears can be unpredictable, and they’ve been known to kill people
#2 Killer Bees In the 1950s there was a plan to produce more honey by crossbreeding the African honeybee with its European counterpart. Labeled ‘Africanized Bees’, the insects were introduced to Brazil in 1956. One year later, 26 swarms of them managed to escape quarantine. After that, the bees managed to spread across South America. By the mid1980s they arrived in North America, and permanent colonies were soon found in the US. They’re known for being extremely defensive, and can form huge swarms to chase a perceived threat for more than 1,600 feet (500 m). While their venom isn’t so potent, they can deliver 10 times more stings than their European cousins. Their ‘Killer’ name is a reference to the hybrids’ reputation for taking out victims which includes more than 1,000 humans.