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A cat almost never meows at another cat, mostly just humans. Cats typically will spit, purr, and hiss at other cats.

b.s. my cat meows at the other 2 and mumbles... under his breath.

The average lifespan of an outdoor-only cat is about 3 to 5 years while an indoor-only cat can live 16 years or much longer.

my cat is in his twenties.

A cat sees about 6 times better than a human at night, and needs 1/6 the amount of of light that a human does - it has a layer of extra reflecting cells which absorb light.