I've read about most of these hybrids before, pretty sure they're real. Mind you, a lot of them wouldn't happen in nature, it takes some human intervention to make them happen.
Here's an interesting twist to hybrids.... ever heard of a
Chimera?
Quote:
Chimerism may occur naturally during pregnancy, when two non-identical twins combine in the womb, at a very early stage of development, to form a single organism. Such an organism is called a tetragametic chimera as it is formed from four gametes — two eggs and two sperm. As the organism develops, the resulting chimera can come to possess organs that have different sets of chromosomes. For example, the chimera may have a liver composed of cells with one set of chromosomes and have a kidney composed of cells with a second set of chromosomes. This has occurred in humans, though it is considered extremely rare, but since it can only be detected through DNA testing, which in itself is rare, it may be more common than currently believed. As of 2003, there were about 30 human cases in the literature, according to New Scientist.
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Not hybrids, but interesting.