Nils Stenseth
Nils Stenseth
bacteria bird carrying species spreading
Many, many bird species are spreading bacteria from one place to another, from one rodent to another, by carrying fleas,
bacteria birds picture question spread
That birds spread the bacteria is not in question but how important that is in the big picture is not yet clear.
again similar weather
After 1855, when it (plague) reappeared again, there were once again similar weather conditions.