Photo credits

Every photo here comes from Wikimedia Commons under a free license that allows commercial use. Thanks to the photographers below. Each link goes to the original file and its license. Where a photo showed a business name or brand, it has been blurred.

• Plano October 2015 52 (15th Street).jpg, by Michael Barera (CC BY-SA 4.0). Shop signs blurred.
• Plano October 2015 25 (Aldridge House).jpg, by Michael Barera (CC BY-SA 4.0)
• CSIRO ScienceImage 10564 The black rat Rattus rattus.jpg, by CSIRO (CC BY 3.0)
• House mouse (Mus musculus) 2745.jpg, by Ahunt (CC0)
• Brown rat (Rattus norvegicus), Drenthe, by Charles J. Sharp (CC BY-SA 4.0)
• Brown Rat (Rattus norvegicus) also called Norway Rat or Common Rat, Mathias Baldwin Park, Philadelphia, by Chuck Homler / Focus On Wildlife (CC BY-SA 4.0)
• Bell Rodent Bait Station, by BrokenSphere (CC BY-SA 3.0). Brand markings blurred.