Fact.
Humans are likely the most numerous species of mammal on Earth at the moment. Having reached some 7 billion in 2011, we outnumber our fellow furries by a wide margin. The only species that may come close to (or exceed) us in numbers are the brown rat (Rattus norvegicus) and house mouse (Mus domesticus), whose evolutionary histories and distribution are closely tied to our own. Given that these rodents are unlikely to develop literacy skills and begin sending in census forms—NIMH escapees excepted—we'll probably never know. Not sure which is grosser...more than 7 billion rats or more than 7 billion people.
Could be crap, but rats and mice can only be guessed at...
Humans are likely the most numerous species of mammal on Earth at the moment. Having reached some 7 billion in 2011, we outnumber our fellow furries by a wide margin. The only species that may come close to (or exceed) us in numbers are the brown rat (Rattus norvegicus) and house mouse (Mus domesticus), whose evolutionary histories and distribution are closely tied to our own. Given that these rodents are unlikely to develop literacy skills and begin sending in census forms—NIMH escapees excepted—we'll probably never know. Not sure which is grosser...more than 7 billion rats or more than 7 billion people.
Could be crap, but rats and mice can only be guessed at...
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