Dr Dave Cowan
speaker
30 appearances
1 recordings
1 series
first heard Dec 2012
last heard Dec 2012
Dr Dave Cowan’s voice in public audio — every appearance, attributed to the second.
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Appearances
That's the kind of streetwise urban rat, 3 to 3.5 million usually say, turning to their kind of country cousins in rural habitats.
And that's mainly going to reflect rats in and around agricultural buildings on farms.
Now, there are around 200,000 agricultural premises in Britain.
And various surveys suggested that around 40% of those premises will have rats present.
And we actually have some pretty good census data for the average numbers of rats on each of those farms where rats are present.
And that's around 90 rats per farm.
Multiplying those together, we get a figure of around 7 million rural rats.
So that's about twice as many as are found in our towns and cities.
Yeah, total everything, the number of rural rats, the number of urban rats, we get a total of around 10.5 million rats in Britain.
And given the human population is around 60 million, we actually outnumber rats by about 6 to 1.
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