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| Black cats can 'rust' if they spend too much time in the sun. | |
| By Michael Nordine | |
| If a black cat ever crosses your path, don’t be scared — be curious as to whether their fur has changed color. This is called “rusting,” and it happens when they spend so much time in the sun that portions of their coat take on a brown, orange, or even reddish tint. The pigment responsible for black fur is called eumelanin, and it isn’t especially hardy: Repeated exposure to ultraviolet rays causes it to break down and lose its dark hue. The change can also be caused by an amino acid deficiency, but this is less common. Rusting is also easier to spot in direct sunlight, meaning these kitties will remain as spooky as ever under cover of darkness. | |
| Mammals |
Cats may see UV light, which is invisible to humans. | |
| Cats can do a lot of things their human friends can’t: They can purr, sleep all day without consequence, and jump up to six times their own height in a single leap. But perhaps most impressive of all, research suggests they may have the ability to perceive light that’s invisible to the human eye. | |
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animalfacts.com
animalfacts.com

