Attack of the Alien Invaders, National Geographic Magazine: Domestic Cats In The Wild

A woman puts out food for feral cats in her neighborhood. Soft-hearted volunteers care for homeless felines in the Florida Keys, where one veterinarian estimates their population at more than 10,000. It is estimated that there are tens of millions of feral cats in the U.S. making them one of the top 100 of the world’s most invasive aliens.

The impact of domestic cats on wildlife is a centruy-old debate, but they are predators to a winnowing songbird population.

The American Society for the Prevention of Cruelty to Animals endorses a Trap-Neuter-Return program to manage feral cat colonies.

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