Gulf porpoise
Also known as the vaquita (Spanish for “little cow”), the Gulf porpoise is now one of the rarest mammals in the world, with a global population estimated at under 100 in 2014. The precariously low numbers add inbreeding to a list of potential threats that includes habitat loss, environmental pollution and being accidentally caught in fishing nets. Today, the last remaining porpoises live in North America’s Gulf of California. Barring drastic conservation efforts, National Geographic estimates the last of them will likely disappear by 2018.
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